212210431012 has 6 divisors (see below), whose sum is σ = 371368254278. Its totient is φ = 106105215504.

The previous prime is 212210431009. The next prime is 212210431019. The reversal of 212210431012 is 210134012212.

It can be written as a sum of positive squares in only one way, i.e., 203677105636 + 8533325376 = 451306^2 + 92376^2 .

It is a super-2 number, since 2×212210431012² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212210431019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26526303873 + ... + 26526303880.

Almost surely, 2^212210431012 is an apocalyptic number.

It is an amenable number.

212210431012 is a deficient number, since it is larger than the sum of its proper divisors (159157823266).

212210431012 is a wasteful number, since it uses less digits than its factorization.

212210431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53052607757 (or 53052607755 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212210431012 its reverse (210134012212), we get a palindrome (422344443224).

The spelling of 212210431012 in words is "two hundred twelve billion, two hundred ten million, four hundred thirty-one thousand, twelve".