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10212011122020 = 22351941942115077
BaseRepresentation
bin1001010010011010101101…
…0010111001110101100100
31100011020222121120011012220
42110212223102321311210
52314303144321401040
633415155543112340
72102536104216621
oct224465322716544
940136877504186
1010212011122020
113287987062a44
12118b1a5a426b0
13590cb0a04696
1427439a4c5348
1512a987ad32d0
hex949ab4b9d64

10212011122020 has 192 divisors, whose sum is σ = 30183502003200. Its totient is φ = 2572601264640.

The previous prime is 10212011121953. The next prime is 10212011122139. The reversal of 10212011122020 is 2022111021201.

10212011122020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2011423722 + ... + 2011428798.

It is an arithmetic number, because the mean of its divisors is an integer number (157205739600).

Almost surely, 210212011122020 is an apocalyptic number.

10212011122020 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 10212011122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15091751001600).

10212011122020 is an abundant number, since it is smaller than the sum of its proper divisors (19971490881180).

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

10212011122020 is a wasteful number, since it uses less digits than its factorization.

10212011122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9738 (or 9736 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212011122020 its reverse (2022111021201), we get a palindrome (12234122143221).

The spelling of 10212011122020 in words is "ten trillion, two hundred twelve billion, eleven million, one hundred twenty-two thousand, twenty".