1012089121012 has 6 divisors (see below), whose sum is σ = 1771155961778. Its totient is φ = 506044560504.

The previous prime is 1012089120997. The next prime is 1012089121031. The reversal of 1012089121012 is 2101219802101.

It can be written as a sum of positive squares in only one way, i.e., 1006518588516 + 5570532496 = 1003254^2 + 74636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126511140123 + ... + 126511140130.

Almost surely, 2^{1012089121012} is an apocalyptic number.

It is an amenable number.

1012089121012 is a deficient number, since it is larger than the sum of its proper divisors (759066840766).

1012089121012 is a wasteful number, since it uses less digits than its factorization.

1012089121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253022280257 (or 253022280255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 1012089121012 in words is "one trillion, twelve billion, eighty-nine million, one hundred twenty-one thousand, twelve".