36121612 has 12 divisors (see below), whose sum is σ = 63343000. Its totient is φ = 18023616.

The previous prime is 36121609. The next prime is 36121621. The reversal of 36121612 is 21612163.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 7053 + ... + 11044.

Almost surely, 2^36121612 is an apocalyptic number.

It is an amenable number.

36121612 is a deficient number, since it is larger than the sum of its proper divisors (27221388).

36121612 is a wasteful number, since it uses less digits than its factorization.

36121612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18600 (or 18598 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 36121612 is about 6010.1257890330. The cubic root of 36121612 is about 330.5641162400.

Adding to 36121612 its reverse (21612163), we get a palindrome (57733775).

It can be divided in two parts, 3612161 and 2, that added together give a palindrome (3612163).

The spelling of 36121612 in words is "thirty-six million, one hundred twenty-one thousand, six hundred twelve".