1012442131220 has 48 divisors (see below), whose sum is σ = 2318660117760. Its totient is φ = 369092820096.

The previous prime is 1012442131201. The next prime is 1012442131223. The reversal of 1012442131220 is 221312442101.

1012442131220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1012442131220³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012442131223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24625082 + ... + 24666161.

It is an arithmetic number, because the mean of its divisors is an integer number (48305419120).

Almost surely, 2^{1012442131220} is an apocalyptic number.

1012442131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012442131220 is an abundant number, since it is smaller than the sum of its proper divisors (1306217986540).

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

1012442131220 is a wasteful number, since it uses less digits than its factorization.

1012442131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49291344 (or 49291342 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1012442131220 its reverse (221312442101), we get a palindrome (1233754573321).

The spelling of 1012442131220 in words is "one trillion, twelve billion, four hundred forty-two million, one hundred thirty-one thousand, two hundred twenty".