1012020231001 has 16 divisors (see below), whose sum is σ = 1100905344000. Its totient is φ = 924759557568.

The previous prime is 1012020230999. The next prime is 1012020231067. The reversal of 1012020231001 is 1001320202101.

It is a cyclic number.

It is not a de Polignac number, because 1012020231001 - 2¹ = 1012020230999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1012020231071) 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, 483241 + ... + 1502518.

It is an arithmetic number, because the mean of its divisors is an integer number (68806584000).

Almost surely, 2^{1012020231001} is an apocalyptic number.

It is an amenable number.

1012020231001 is a deficient number, since it is larger than the sum of its proper divisors (88885112999).

1012020231001 is a wasteful number, since it uses less digits than its factorization.

1012020231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986168.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1012020231001 its reverse (1001320202101), we get a palindrome (2013340433102).

The spelling of 1012020231001 in words is "one trillion, twelve billion, twenty million, two hundred thirty-one thousand, one".