612212052 has 24 divisors (see below), whose sum is σ = 1429964032. Its totient is φ = 203860800.

The previous prime is 612212039. The next prime is 612212057. The reversal of 612212052 is 250212216.

It is a happy number.

It is a super-2 number, since 2×612212052² = 749607193228101408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612212057) 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, 13849 + ... + 37632.

Almost surely, 2^612212052 is an apocalyptic number.

It is an amenable number.

612212052 is an abundant number, since it is smaller than the sum of its proper divisors (817751980).

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

612212052 is a wasteful number, since it uses less digits than its factorization.

612212052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52479 (or 52477 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 612212052 is about 24742.9192295493. The cubic root of 612212052 is about 849.1165224135.

Adding to 612212052 its reverse (250212216), we get a palindrome (862424268).

The spelling of 612212052 in words is "six hundred twelve million, two hundred twelve thousand, fifty-two".