1012420344140 has 12 divisors (see below), whose sum is σ = 2126082722736. Its totient is φ = 404968137648.

The previous prime is 1012420344119. The next prime is 1012420344151. The reversal of 1012420344140 is 414430242101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25310508584 + ... + 25310508623.

It is an arithmetic number, because the mean of its divisors is an integer number (177173560228).

Almost surely, 2^{1012420344140} is an apocalyptic number.

1012420344140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012420344140 is an abundant number, since it is smaller than the sum of its proper divisors (1113662378596).

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

1012420344140 is a wasteful number, since it uses less digits than its factorization.

1012420344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50621017216 (or 50621017214 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1012420344140 its reverse (414430242101), we get a palindrome (1426850586241).

The spelling of 1012420344140 in words is "one trillion, twelve billion, four hundred twenty million, three hundred forty-four thousand, one hundred forty".