212011011220112 has 40 divisors (see below), whose sum is σ = 443506325054520. Its totient is φ = 97599690316800.

The previous prime is 212011011220111. The next prime is 212011011220133. The reversal of 212011011220112 is 211022110110212.

It can be written as a sum of positive squares in 4 ways, for example, as 2622702514576 + 209388308705536 = 1619476^2 + 14470256^2 .

It is not an unprimeable number, because it can be changed into a prime (212011011220111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310052389 + ... + 1310214212.

It is an arithmetic number, because the mean of its divisors is an integer number (11087658126363).

Almost surely, 2^{212011011220112} is an apocalyptic number.

It is an amenable number.

212011011220112 is an abundant number, since it is smaller than the sum of its proper divisors (231495313834408).

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

212011011220112 is a wasteful number, since it uses less digits than its factorization.

212011011220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620267011 (or 2620267005 counting only the distinct ones).

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

Adding to 212011011220112 its reverse (211022110110212), we get a palindrome (423033121330324).

The spelling of 212011011220112 in words is "two hundred twelve trillion, eleven billion, eleven million, two hundred twenty thousand, one hundred twelve".