1012202221009 has 16 divisors (see below), whose sum is σ = 1185122808576. Its totient is φ = 846365472000.

The previous prime is 1012202220959. The next prime is 1012202221021. The reversal of 1012202221009 is 9001222022101.

It is a cyclic number.

It is not a de Polignac number, because 1012202221009 - 2¹⁹ = 1012201696721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012202231009) 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, 3194284 + ... + 3496834.

It is an arithmetic number, because the mean of its divisors is an integer number (74070175536).

Almost surely, 2^{1012202221009} is an apocalyptic number.

It is an amenable number.

1012202221009 is a deficient number, since it is larger than the sum of its proper divisors (172920587567).

1012202221009 is a wasteful number, since it uses less digits than its factorization.

1012202221009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314256.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1012202221009 in words is "one trillion, twelve billion, two hundred two million, two hundred twenty-one thousand, nine".