1213872832370 has 64 divisors (see below), whose sum is σ = 2409952507776. Its totient is φ = 436543073280.

The previous prime is 1213872832349. The next prime is 1213872832399. The reversal of 1213872832370 is 732382783121.

It is a super-2 number, since 2×1213872832370² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6892652 + ... + 7066568.

It is an arithmetic number, because the mean of its divisors is an integer number (37655507934).

Almost surely, 2^{1213872832370} is an apocalyptic number.

1213872832370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213872832370 is a deficient number, since it is larger than the sum of its proper divisors (1196079675406).

1213872832370 is a wasteful number, since it uses less digits than its factorization.

1213872832370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174635.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 1213872832370 in words is "one trillion, two hundred thirteen billion, eight hundred seventy-two million, eight hundred thirty-two thousand, three hundred seventy".