1223500151320 has 32 divisors (see below), whose sum is σ = 2756541021120. Its totient is φ = 488748384000.

The previous prime is 1223500151303. The next prime is 1223500151353. The reversal of 1223500151320 is 231510053221.

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, 20334477 + ... + 20394556.

It is an arithmetic number, because the mean of its divisors is an integer number (86141906910).

Almost surely, 2^{1223500151320} is an apocalyptic number.

1223500151320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223500151320 is an abundant number, since it is smaller than the sum of its proper divisors (1533040869800).

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

1223500151320 is a wasteful number, since it uses less digits than its factorization.

1223500151320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40729795 (or 40729791 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 1223500151320 in words is "one trillion, two hundred twenty-three billion, five hundred million, one hundred fifty-one thousand, three hundred twenty".