212010022212012 has 72 divisors (see below), whose sum is σ = 541650197022480. Its totient is φ = 69914726755200.

The previous prime is 212010022211921. The next prime is 212010022212013. The reversal of 212010022212012 is 210212220010212.

It is a happy number.

212010022212012 is a `hidden beast` number, since 212 + 0 + 100 + 222 + 120 + 12 = 666.

It is a super-2 number, since 2×212010022212012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212010022212013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18578983 + ... + 27734430.

It is an arithmetic number, because the mean of its divisors is an integer number (7522919403090).

Almost surely, 2^{212010022212012} is an apocalyptic number.

It is an amenable number.

212010022212012 is an abundant number, since it is smaller than the sum of its proper divisors (329640174810468).

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

212010022212012 is a wasteful number, since it uses less digits than its factorization.

212010022212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46314783 (or 46314778 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212010022212012 its reverse (210212220010212), we get a palindrome (422222242222224).

The spelling of 212010022212012 in words is "two hundred twelve trillion, ten billion, twenty-two million, two hundred twelve thousand, twelve".