1001203012131 has 16 divisors (see below), whose sum is σ = 1525659034368. Its totient is φ = 572109876000.

The previous prime is 1001203012037. The next prime is 1001203012141. The reversal of 1001203012131 is 1312103021001.

It is a happy number.

It is not a de Polignac number, because 1001203012131 - 2²³ = 1001194623523 is a prime.

It is a super-2 number, since 2×1001203012131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001203012131.

It is not an unprimeable number, because it can be changed into a prime (1001203012141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2386056 + ... + 2774106.

It is an arithmetic number, because the mean of its divisors is an integer number (95353689648).

Almost surely, 2^{1001203012131} is an apocalyptic number.

1001203012131 is a deficient number, since it is larger than the sum of its proper divisors (524456022237).

1001203012131 is a wasteful number, since it uses less digits than its factorization.

1001203012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510922.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1001203012131 its reverse (1312103021001), we get a palindrome (2313306033132).

The spelling of 1001203012131 in words is "one trillion, one billion, two hundred three million, twelve thousand, one hundred thirty-one".