1272012324 has 48 divisors (see below), whose sum is σ = 3306756096. Its totient is φ = 377255200.

The previous prime is 1272012299. The next prime is 1272012341. The reversal of 1272012324 is 4232102721.

It is a junction number, because it is equal to n+sod(n) for n = 1272012294 and 1272012303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96312 + ... + 108719.

It is an arithmetic number, because the mean of its divisors is an integer number (68890752).

Almost surely, 2^1272012324 is an apocalyptic number.

It is an amenable number.

1272012324 is an abundant number, since it is smaller than the sum of its proper divisors (2034743772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272012324 is a wasteful number, since it uses less digits than its factorization.

1272012324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205096 (or 205094 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1272012324 is about 35665.2817737362. The cubic root of 1272012324 is about 1083.5038022131.

The spelling of 1272012324 in words is "one billion, two hundred seventy-two million, twelve thousand, three hundred twenty-four".