212012044 has 12 divisors (see below), whose sum is σ = 372944824. Its totient is φ = 105456384.

The previous prime is 212012033. The next prime is 212012057. The reversal of 212012044 is 440210212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136542 + ... + 138085.

Almost surely, 2^212012044 is an apocalyptic number.

It is an amenable number.

212012044 is a deficient number, since it is larger than the sum of its proper divisors (160932780).

212012044 is a wasteful number, since it uses less digits than its factorization.

212012044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274824 (or 274822 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 212012044 is about 14560.6333653451. The cubic root of 212012044 is about 596.2844872498.

Adding to 212012044 its reverse (440210212), we get a palindrome (652222256).

The spelling of 212012044 in words is "two hundred twelve million, twelve thousand, forty-four".