1233153505512 has 48 divisors (see below), whose sum is σ = 3463486703040. Its totient is φ = 411051167856.

The previous prime is 1233153505487. The next prime is 1233153505603. The reversal of 1233153505512 is 2155053513321.

1233153505512 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 1 + 53 + 50 + 551 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317167168 + ... + 317171055.

It is an arithmetic number, because the mean of its divisors is an integer number (72155972980).

Almost surely, 2^{1233153505512} is an apocalyptic number.

1233153505512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233153505512 is an abundant number, since it is smaller than the sum of its proper divisors (2230333197528).

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

1233153505512 is an equidigital number, since it uses as much as digits as its factorization.

1233153505512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634338244 (or 634338228 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 1233153505512 in words is "one trillion, two hundred thirty-three billion, one hundred fifty-three million, five hundred five thousand, five hundred twelve".