Search a number
-
+
123012003112212 = 223317310956973037
BaseRepresentation
bin11011111110000011110110…
…101111111010010100010100
3121010112211111000000120220010
4123332003312233322110110
5112110412040244042322
61113342533432440220
734624216053206424
oct3376036657722424
9533484430016803
10123012003112212
1136217108927835
1211968672b49070
135383c9c940b26
142253b54154484
15e34c57a3220c
hex6fe0f6bfa514

123012003112212 has 192 divisors, whose sum is σ = 303638014310400. Its totient is φ = 38709968117760.

The previous prime is 123012003112147. The next prime is 123012003112249. The reversal of 123012003112212 is 212211300210321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1684205758 + ... + 1684278794.

It is an arithmetic number, because the mean of its divisors is an integer number (1581447991200).

Almost surely, 2123012003112212 is an apocalyptic number.

123012003112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123012003112212 is an abundant number, since it is smaller than the sum of its proper divisors (180626011198188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123012003112212 is a wasteful number, since it uses less digits than its factorization.

123012003112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73826 (or 73824 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123012003112212 its reverse (212211300210321), we get a palindrome (335223303322533).

The spelling of 123012003112212 in words is "one hundred twenty-three trillion, twelve billion, three million, one hundred twelve thousand, two hundred twelve".