1012989469140 has 144 divisors (see below), whose sum is σ = 3407026686336. Its totient is φ = 241547385600.

The previous prime is 1012989469073. The next prime is 1012989469147. The reversal of 1012989469140 is 419649892101.

1012989469140 is a `hidden beast` number, since 10 + 1 + 29 + 8 + 9 + 469 + 140 = 666.

It is a super-2 number, since 2×1012989469140² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012989469147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4072752 + ... + 4314311.

It is an arithmetic number, because the mean of its divisors is an integer number (23659907544).

Almost surely, 2^{1012989469140} is an apocalyptic number.

1012989469140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012989469140 is an abundant number, since it is smaller than the sum of its proper divisors (2394037217196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012989469140 is a wasteful number, since it uses less digits than its factorization.

1012989469140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8387150 (or 8387145 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 1012989469140 in words is "one trillion, twelve billion, nine hundred eighty-nine million, four hundred sixty-nine thousand, one hundred forty".