1202320023121 has 48 divisors (see below), whose sum is σ = 1434101760000. Its totient is φ = 1004819830560.

The previous prime is 1202320023071. The next prime is 1202320023137. The reversal of 1202320023121 is 1213200232021.

It is not a de Polignac number, because 1202320023121 - 2⁷ = 1202320022993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202320023181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102765330 + ... + 102777028.

It is an arithmetic number, because the mean of its divisors is an integer number (29877120000).

Almost surely, 2^{1202320023121} is an apocalyptic number.

It is an amenable number.

1202320023121 is a deficient number, since it is larger than the sum of its proper divisors (231781736879).

1202320023121 is a wasteful number, since it uses less digits than its factorization.

1202320023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12122 (or 12115 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1202320023121 its reverse (1213200232021), we get a palindrome (2415520255142).

The spelling of 1202320023121 in words is "one trillion, two hundred two billion, three hundred twenty million, twenty-three thousand, one hundred twenty-one".