1012133316621 has 32 divisors (see below), whose sum is σ = 1679453798400. Its totient is φ = 529027934400.

The previous prime is 1012133316619. The next prime is 1012133316629. The reversal of 1012133316621 is 1266133312101.

It is not a de Polignac number, because 1012133316621 - 2¹ = 1012133316619 is a prime.

It is a super-2 number, since 2×1012133316621² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012133316629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43724205 + ... + 43747346.

It is an arithmetic number, because the mean of its divisors is an integer number (52482931200).

Almost surely, 2^{1012133316621} is an apocalyptic number.

It is an amenable number.

1012133316621 is a deficient number, since it is larger than the sum of its proper divisors (667320481779).

1012133316621 is a wasteful number, since it uses less digits than its factorization.

1012133316621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87471609.

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 1012133316621 its reverse (1266133312101), we get a palindrome (2278266628722).

The spelling of 1012133316621 in words is "one trillion, twelve billion, one hundred thirty-three million, three hundred sixteen thousand, six hundred twenty-one".