1012023664402 has 8 divisors (see below), whose sum is σ = 1570381548300. Its totient is φ = 488563148304.

The previous prime is 1012023664361. The next prime is 1012023664411. The reversal of 1012023664402 is 2044663202101.

It can be written as a sum of positive squares in 2 ways, for example, as 935377188201 + 76646476201 = 967149^2 + 276851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8724341877 + ... + 8724341992.

Almost surely, 2^{1012023664402} is an apocalyptic number.

1012023664402 is a deficient number, since it is larger than the sum of its proper divisors (558357883898).

1012023664402 is a wasteful number, since it uses less digits than its factorization.

1012023664402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448683900.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1012023664402 its reverse (2044663202101), we get a palindrome (3056686866503).

The spelling of 1012023664402 in words is "one trillion, twelve billion, twenty-three million, six hundred sixty-four thousand, four hundred two".