212021101112012 has 24 divisors (see below), whose sum is σ = 383007453924480. Its totient is φ = 102590428452480.

The previous prime is 212021101111987. The next prime is 212021101112033. The reversal of 212021101112012 is 210211101120212.

It is a super-2 number, since 2×212021101112012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27444914 + ... + 34311302.

It is an arithmetic number, because the mean of its divisors is an integer number (15958643913520).

Almost surely, 2^{212021101112012} is an apocalyptic number.

It is an amenable number.

212021101112012 is a deficient number, since it is larger than the sum of its proper divisors (170986352812468).

212021101112012 is a wasteful number, since it uses less digits than its factorization.

212021101112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115441 (or 7115439 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212021101112012 its reverse (210211101120212), we get a palindrome (422232202232224).

The spelling of 212021101112012 in words is "two hundred twelve trillion, twenty-one billion, one hundred one million, one hundred twelve thousand, twelve".