1012034151621 has 12 divisors (see below), whose sum is σ = 1461885954880. Its totient is φ = 674662274280.

The previous prime is 1012034151613. The next prime is 1012034151641. The reversal of 1012034151621 is 1261514302101.

1012034151621 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 0 + 34 + 1 + 5 + 1 + 621 = 666.

It is not a de Polignac number, because 1012034151621 - 2³ = 1012034151613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012034151641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2026045 + ... + 2475666.

Almost surely, 2^{1012034151621} is an apocalyptic number.

It is an amenable number.

1012034151621 is a deficient number, since it is larger than the sum of its proper divisors (449851803259).

1012034151621 is a wasteful number, since it uses less digits than its factorization.

1012034151621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526696 (or 4526693 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 1012034151621 its reverse (1261514302101), we get a palindrome (2273548453722).

The spelling of 1012034151621 in words is "one trillion, twelve billion, thirty-four million, one hundred fifty-one thousand, six hundred twenty-one".