1022001143204 has 12 divisors (see below), whose sum is σ = 1795923172428. Its totient is φ = 508880236800.

The previous prime is 1022001143197. The next prime is 1022001143227. The reversal of 1022001143204 is 4023411002201.

It can be written as a sum of positive squares in 2 ways, for example, as 495331624804 + 526669518400 = 703798^2 + 725720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530082617 + ... + 530084544.

It is an arithmetic number, because the mean of its divisors is an integer number (149660264369).

Almost surely, 2^{1022001143204} is an apocalyptic number.

It is an amenable number.

1022001143204 is a deficient number, since it is larger than the sum of its proper divisors (773922029224).

1022001143204 is a wasteful number, since it uses less digits than its factorization.

1022001143204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060167406 (or 1060167404 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1022001143204 its reverse (4023411002201), we get a palindrome (5045412145405).

The spelling of 1022001143204 in words is "one trillion, twenty-two billion, one million, one hundred forty-three thousand, two hundred four".