27237209012 has 24 divisors (see below), whose sum is σ = 52300190376. Its totient is φ = 12333829248.

The previous prime is 27237208997. The next prime is 27237209029. The reversal of 27237209012 is 21090273272.

It can be written as a sum of positive squares in 4 ways, for example, as 37283236 + 27199925776 = 6106^2 + 164924^2 .

It is a super-2 number, since 2×27237209012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4938683 + ... + 4944194.

It is an arithmetic number, because the mean of its divisors is an integer number (2179174599).

Almost surely, 2^27237209012 is an apocalyptic number.

It is an amenable number.

27237209012 is a deficient number, since it is larger than the sum of its proper divisors (25062981364).

27237209012 is a wasteful number, since it uses less digits than its factorization.

27237209012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882947 (or 9882945 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 27237209012 in words is "twenty-seven billion, two hundred thirty-seven million, two hundred nine thousand, twelve".