1301122331220 has 96 divisors (see below), whose sum is σ = 3801957046272. Its totient is φ = 331844073088.

The previous prime is 1301122331203. The next prime is 1301122331237. The reversal of 1301122331220 is 221332211031.

It is an interprime number because it is at equal distance from previous prime (1301122331203) and next prime (1301122331237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13895479 + ... + 13988801.

It is an arithmetic number, because the mean of its divisors is an integer number (39603719232).

Almost surely, 2^{1301122331220} is an apocalyptic number.

1301122331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301122331220 is an abundant number, since it is smaller than the sum of its proper divisors (2500834715052).

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

1301122331220 is a wasteful number, since it uses less digits than its factorization.

1301122331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103461 (or 103459 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1301122331220 its reverse (221332211031), we get a palindrome (1522454542251).

The spelling of 1301122331220 in words is "one trillion, three hundred one billion, one hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty".