1012121200204 has 6 divisors (see below), whose sum is σ = 1771212100364. Its totient is φ = 506060600100.

The previous prime is 1012121200193. The next prime is 1012121200249. The reversal of 1012121200204 is 4020021212101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126515150022 + ... + 126515150029.

Almost surely, 2^{1012121200204} is an apocalyptic number.

It is an amenable number.

1012121200204 is a deficient number, since it is larger than the sum of its proper divisors (759090900160).

1012121200204 is a wasteful number, since it uses less digits than its factorization.

1012121200204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253030300055 (or 253030300053 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012121200204 its reverse (4020021212101), we get a palindrome (5032142412305).

The spelling of 1012121200204 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred thousand, two hundred four".