712012212 has 36 divisors (see below), whose sum is σ = 1838106816. Its totient is φ = 232287120.

The previous prime is 712012187. The next prime is 712012237. The reversal of 712012212 is 212210217.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (712012187) and next prime (712012237).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×712012212² = 1013922780074265888, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208714 + ... + 212097.

Almost surely, 2^712012212 is an apocalyptic number.

It is an amenable number.

712012212 is an abundant number, since it is smaller than the sum of its proper divisors (1126094604).

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

712012212 is a wasteful number, since it uses less digits than its factorization.

712012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420868 (or 420863 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 712012212 is about 26683.5569592961. The cubic root of 712012212 is about 892.9541242813.

Adding to 712012212 its reverse (212210217), we get a palindrome (924222429).

The spelling of 712012212 in words is "seven hundred twelve million, twelve thousand, two hundred twelve".