| Base | Representation |
|---|---|
| bin | 111100010101010… |
| … | …110111110100100 |
| 3 | 2121112200201101210 |
| 4 | 330111112332210 |
| 5 | 4033112411400 |
| 6 | 244235351420 |
| 7 | 34040554665 |
| oct | 7425267644 |
| 9 | 2545621353 |
| 10 | 1012232100 |
| 11 | 47a418a60 |
| 12 | 242bb2570 |
| 13 | 131930a09 |
| 14 | 9861336c |
| 15 | 5dcea950 |
| hex | 3c556fa4 |
1012232100 has 144 divisors (see below), whose sum is σ = 3227668416. Its totient is φ = 242880000.
The previous prime is 1012232077. The next prime is 1012232101. The reversal of 1012232100 is 12322101.
It is a super-2 number, since 2×10122321002 = 2049227648540820000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (1012232101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331782 + ... + 334818.
It is an arithmetic number, because the mean of its divisors is an integer number (22414364).
Almost surely, 21012232100 is an apocalyptic number.
1012232100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1012232100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613834208).
1012232100 is an abundant number, since it is smaller than the sum of its proper divisors (2215436316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1012232100 is a wasteful number, since it uses less digits than its factorization.
1012232100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3166 (or 3159 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 1012232100 is about 31815.5952325271. The cubic root of 1012232100 is about 1004.0608538111.
Adding to 1012232100 its reverse (12322101), we get a palindrome (1024554201).
Subtracting from 1012232100 its reverse (12322101), we obtain a palindrome (999909999).
The spelling of 1012232100 in words is "one billion, twelve million, two hundred thirty-two thousand, one hundred".
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