12037273856 has 18 divisors (see below), whose sum is σ = 24027527622. Its totient is φ = 6018636800.

The previous prime is 12037273847. The next prime is 12037273883. The reversal of 12037273856 is 65837273021.

It can be written as a sum of positive squares in only one way, i.e., 9600864256 + 2436409600 = 97984^2 + 49360^2 .

It is a super-2 number, since 2×12037273856² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23510045 + ... + 23510556.

Almost surely, 2^12037273856 is an apocalyptic number.

12037273856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12037273856 is a deficient number, since it is larger than the sum of its proper divisors (11990253766).

12037273856 is an frugal number, since it uses more digits than its factorization.

12037273856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47020617 (or 47020603 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 12037273856 in words is "twelve billion, thirty-seven million, two hundred seventy-three thousand, eight hundred fifty-six".