212203211012 has 24 divisors (see below), whose sum is σ = 399957883416. Its totient is φ = 97931017728.

The previous prime is 212203210981. The next prime is 212203211023. The reversal of 212203211012 is 210112302212.

It can be written as a sum of positive squares in 4 ways, for example, as 21029640256 + 191173570756 = 145016^2 + 437234^2 .

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, 408188 + ... + 768780.

It is an arithmetic number, because the mean of its divisors is an integer number (16664911809).

Almost surely, 2^212203211012 is an apocalyptic number.

It is an amenable number.

212203211012 is a deficient number, since it is larger than the sum of its proper divisors (187754672404).

212203211012 is a wasteful number, since it uses less digits than its factorization.

212203211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371927 (or 371925 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212203211012 its reverse (210112302212), we get a palindrome (422315513224).

The spelling of 212203211012 in words is "two hundred twelve billion, two hundred three million, two hundred eleven thousand, twelve".