1223152532144 has 10 divisors (see below), whose sum is σ = 2369858031060. Its totient is φ = 611576266064.

The previous prime is 1223152532141. The next prime is 1223152532177. The reversal of 1223152532144 is 4412352513221.

It is a super-2 number, since 2×1223152532144² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223152532141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38223516614 + ... + 38223516645.

It is an arithmetic number, because the mean of its divisors is an integer number (236985803106).

Almost surely, 2^{1223152532144} is an apocalyptic number.

It is an amenable number.

1223152532144 is a deficient number, since it is larger than the sum of its proper divisors (1146705498916).

1223152532144 is an equidigital number, since it uses as much as digits as its factorization.

1223152532144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76447033267 (or 76447033261 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The spelling of 1223152532144 in words is "one trillion, two hundred twenty-three billion, one hundred fifty-two million, five hundred thirty-two thousand, one hundred forty-four".