1012004033420 has 48 divisors (see below), whose sum is σ = 2237377497600. Its totient is φ = 383442102720.

The previous prime is 1012004033407. The next prime is 1012004033429. The reversal of 1012004033420 is 243304002101.

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

It is a junction number, because it is equal to n+sod(n) for n = 1012004033392 and 1012004033401.

It is not an unprimeable number, because it can be changed into a prime (1012004033429) 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, 2558765 + ... + 2927675.

It is an arithmetic number, because the mean of its divisors is an integer number (46612031200).

Almost surely, 2^{1012004033420} is an apocalyptic number.

1012004033420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012004033420 is an abundant number, since it is smaller than the sum of its proper divisors (1225373464180).

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

1012004033420 is a wasteful number, since it uses less digits than its factorization.

1012004033420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376158 (or 376156 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1012004033420 its reverse (243304002101), we get a palindrome (1255308035521).

The spelling of 1012004033420 in words is "one trillion, twelve billion, four million, thirty-three thousand, four hundred twenty".