1012204051 has 4 divisors (see below), whose sum is σ = 1012299552. Its totient is φ = 1012108552.

The previous prime is 1012204019. The next prime is 1012204073. The reversal of 1012204051 is 1504022101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1012204051 - 2⁵ = 1012204019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012207051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29536 + ... + 53821.

It is an arithmetic number, because the mean of its divisors is an integer number (253074888).

Almost surely, 2^1012204051 is an apocalyptic number.

1012204051 is a deficient number, since it is larger than the sum of its proper divisors (95501).

1012204051 is an equidigital number, since it uses as much as digits as its factorization.

1012204051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95500.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1012204051 is about 31815.1544236391. The cubic root of 1012204051 is about 1004.0515795340.

Adding to 1012204051 its reverse (1504022101), we get a palindrome (2516226152).

The spelling of 1012204051 in words is "one billion, twelve million, two hundred four thousand, fifty-one".