1020012431120 has 40 divisors (see below), whose sum is σ = 2371597195416. Its totient is φ = 407993223168.

The previous prime is 1020012431107. The next prime is 1020012431153. The reversal of 1020012431120 is 211342100201.

It can be written as a sum of positive squares in 4 ways, for example, as 282007729936 + 738004701184 = 531044^2 + 859072^2 .

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

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, 2942474 + ... + 3270806.

Almost surely, 2^{1020012431120} is an apocalyptic number.

1020012431120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020012431120 is an abundant number, since it is smaller than the sum of its proper divisors (1351584764296).

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

1020012431120 is a wasteful number, since it uses less digits than its factorization.

1020012431120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367179 (or 367173 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1020012431120 its reverse (211342100201), we get a palindrome (1231354531321).

The spelling of 1020012431120 in words is "one trillion, twenty billion, twelve million, four hundred thirty-one thousand, one hundred twenty".