212011040120 has 64 divisors (see below), whose sum is σ = 521353225440. Its totient is φ = 76952332800.

The previous prime is 212011040099. The next prime is 212011040147. The reversal of 212011040120 is 21040110212.

It is a happy number.

It is a super-2 number, since 2×212011040120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212011040095 and 212011040104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207287 + ... + 683366.

Almost surely, 2^212011040120 is an apocalyptic number.

212011040120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011040120 is an abundant number, since it is smaller than the sum of its proper divisors (309342185320).

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

212011040120 is a wasteful number, since it uses less digits than its factorization.

212011040120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891216 (or 891212 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212011040120 its reverse (21040110212), we get a palindrome (233051150332).

The spelling of 212011040120 in words is "two hundred twelve billion, eleven million, forty thousand, one hundred twenty".