1201323231024 has 40 divisors (see below), whose sum is σ = 3546763825920. Its totient is φ = 343235208768.

The previous prime is 1201323230923. The next prime is 1201323231049. The reversal of 1201323231024 is 4201323231021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1201323230985 and 1201323231003.

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, 1787683044 + ... + 1787683715.

It is an arithmetic number, because the mean of its divisors is an integer number (88669095648).

Almost surely, 2^{1201323231024} is an apocalyptic number.

1201323231024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1201323231024 is an abundant number, since it is smaller than the sum of its proper divisors (2345440594896).

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

1201323231024 is a wasteful number, since it uses less digits than its factorization.

1201323231024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575366777 (or 3575366771 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1201323231024 its reverse (4201323231021), we get a palindrome (5402646462045).

The spelling of 1201323231024 in words is "one trillion, two hundred one billion, three hundred twenty-three million, two hundred thirty-one thousand, twenty-four".