212402044 has 6 divisors (see below), whose sum is σ = 371703584. Its totient is φ = 106201020.

The previous prime is 212402027. The next prime is 212402093. The reversal of 212402044 is 440204212.

It is a super-2 number, since 2×212402044² = 90229256590755872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26550252 + ... + 26550259.

Almost surely, 2^212402044 is an apocalyptic number.

It is an amenable number.

212402044 is a deficient number, since it is larger than the sum of its proper divisors (159301540).

212402044 is a wasteful number, since it uses less digits than its factorization.

212402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53100515 (or 53100513 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 212402044 is about 14574.0194867442. The cubic root of 212402044 is about 596.6498886633.

Adding to 212402044 its reverse (440204212), we get a palindrome (652606256).

The spelling of 212402044 in words is "two hundred twelve million, four hundred two thousand, forty-four".