1012204011440 has 40 divisors (see below), whose sum is σ = 2355470149488. Its totient is φ = 404521032960.

The previous prime is 1012204011433. The next prime is 1012204011451. The reversal of 1012204011440 is 441104022101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5543531 + ... + 5723210.

Almost surely, 2^{1012204011440} is an apocalyptic number.

1012204011440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012204011440 is an abundant number, since it is smaller than the sum of its proper divisors (1343266138048).

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

1012204011440 is a wasteful number, since it uses less digits than its factorization.

1012204011440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11267877 (or 11267871 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1012204011440 its reverse (441104022101), we get a palindrome (1453308033541).

The spelling of 1012204011440 in words is "one trillion, twelve billion, two hundred four million, eleven thousand, four hundred forty".