1012245122240 has 224 divisors, whose sum is σ = 2788404424704. Its totient is φ = 345915637760.

The previous prime is 1012245122099. The next prime is 1012245122243. The reversal of 1012245122240 is 422215422101.

It is not an unprimeable number, because it can be changed into a prime (1012245122243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40858337 + ... + 40883103.

Almost surely, 2^{1012245122240} is an apocalyptic number.

1012245122240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012245122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394202212352).

1012245122240 is an abundant number, since it is smaller than the sum of its proper divisors (1776159302464).

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

1012245122240 is a wasteful number, since it uses less digits than its factorization.

1012245122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25495 (or 25485 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The spelling of 1012245122240 in words is "one trillion, twelve billion, two hundred forty-five million, one hundred twenty-two thousand, two hundred forty".