1012127242820 has 48 divisors (see below), whose sum is σ = 2138875467456. Its totient is φ = 402300432000.

The previous prime is 1012127242817. The next prime is 1012127242849. The reversal of 1012127242820 is 282427212101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4565135 + ... + 4781705.

It is an arithmetic number, because the mean of its divisors is an integer number (44559905572).

Almost surely, 2^{1012127242820} is an apocalyptic number.

1012127242820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012127242820 is an abundant number, since it is smaller than the sum of its proper divisors (1126748224636).

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

1012127242820 is a wasteful number, since it uses less digits than its factorization.

1012127242820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218052 (or 218050 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The spelling of 1012127242820 in words is "one trillion, twelve billion, one hundred twenty-seven million, two hundred forty-two thousand, eight hundred twenty".