1202123131001 has 24 divisors (see below), whose sum is σ = 1435018853184. Its totient is φ = 998970635520.

The previous prime is 1202123130983. The next prime is 1202123131009. The reversal of 1202123131001 is 1001313212021.

It is not a de Polignac number, because 1202123131001 - 2²⁶ = 1202056022137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202123131009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6869435 + ... + 7042256.

It is an arithmetic number, because the mean of its divisors is an integer number (59792452216).

Almost surely, 2^{1202123131001} is an apocalyptic number.

It is an amenable number.

1202123131001 is a deficient number, since it is larger than the sum of its proper divisors (232895722183).

1202123131001 is a wasteful number, since it uses less digits than its factorization.

1202123131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13911761 (or 13911744 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1202123131001 its reverse (1001313212021), we get a palindrome (2203436343022).

The spelling of 1202123131001 in words is "one trillion, two hundred two billion, one hundred twenty-three million, one hundred thirty-one thousand, one".