1012020221002 has 48 divisors (see below), whose sum is σ = 1939630674240. Its totient is φ = 393030392832.

The previous prime is 1012020220999. The next prime is 1012020221039. The reversal of 1012020221002 is 2001220202101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11772663 + ... + 11858314.

It is an arithmetic number, because the mean of its divisors is an integer number (40408972380).

Almost surely, 2^{1012020221002} is an apocalyptic number.

1012020221002 is a deficient number, since it is larger than the sum of its proper divisors (927610453238).

1012020221002 is a wasteful number, since it uses less digits than its factorization.

1012020221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23631035 (or 23631028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1012020221002 its reverse (2001220202101), we get a palindrome (3013240423103).

The spelling of 1012020221002 in words is "one trillion, twelve billion, twenty million, two hundred twenty-one thousand, two".