1230021448940 has 24 divisors (see below), whose sum is σ = 2595286971312. Its totient is φ = 489676783680.

The previous prime is 1230021448919. The next prime is 1230021448979. The reversal of 1230021448940 is 498441200321.

It is a junction number, because it is equal to n+sod(n) for n = 1230021448894 and 1230021448903.

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, 145732919 + ... + 145741358.

It is an arithmetic number, because the mean of its divisors is an integer number (108136957138).

Almost surely, 2^{1230021448940} is an apocalyptic number.

1230021448940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230021448940 is an abundant number, since it is smaller than the sum of its proper divisors (1365265522372).

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

1230021448940 is a wasteful number, since it uses less digits than its factorization.

1230021448940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291474497 (or 291474495 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 1230021448940 in words is "one trillion, two hundred thirty billion, twenty-one million, four hundred forty-eight thousand, nine hundred forty".