1320422124021 has 64 divisors (see below), whose sum is σ = 2427720185856. Its totient is φ = 616056710400.

The previous prime is 1320422123971. The next prime is 1320422124029. The reversal of 1320422124021 is 1204212240231.

It is not a de Polignac number, because 1320422124021 - 2⁷ = 1320422123893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320422123982 and 1320422124000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320422124029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5830795 + ... + 6053016.

It is an arithmetic number, because the mean of its divisors is an integer number (37933127904).

Almost surely, 2^{1320422124021} is an apocalyptic number.

1320422124021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1320422124021 is a deficient number, since it is larger than the sum of its proper divisors (1107298061835).

1320422124021 is a wasteful number, since it uses less digits than its factorization.

1320422124021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883882.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1320422124021 its reverse (1204212240231), we get a palindrome (2524634364252).

The spelling of 1320422124021 in words is "one trillion, three hundred twenty billion, four hundred twenty-two million, one hundred twenty-four thousand, twenty-one".