1012323031420 has 24 divisors (see below), whose sum is σ = 2125913169744. Its totient is φ = 404922583296.

The previous prime is 1012323031381. The next prime is 1012323031439. The reversal of 1012323031420 is 241303232101.

It is a junction number, because it is equal to n+sod(n) for n = 1012323031391 and 1012323031400.

It is a congruent number.

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, 946932 + ... + 1709188.

It is an arithmetic number, because the mean of its divisors is an integer number (88579715406).

Almost surely, 2^{1012323031420} is an apocalyptic number.

1012323031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012323031420 is an abundant number, since it is smaller than the sum of its proper divisors (1113590138324).

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

1012323031420 is a wasteful number, since it uses less digits than its factorization.

1012323031420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828669 (or 828667 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1012323031420 its reverse (241303232101), we get a palindrome (1253626263521).

The spelling of 1012323031420 in words is "one trillion, twelve billion, three hundred twenty-three million, thirty-one thousand, four hundred twenty".