1220231300052 has 12 divisors (see below), whose sum is σ = 2847206366816. Its totient is φ = 406743766680.

The previous prime is 1220231300051. The next prime is 1220231300083. The reversal of 1220231300052 is 2500031320221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220231300051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50842970824 + ... + 50842970847.

Almost surely, 2^{1220231300052} is an apocalyptic number.

1220231300052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220231300052 is an abundant number, since it is smaller than the sum of its proper divisors (1626975066764).

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

1220231300052 is a wasteful number, since it uses less digits than its factorization.

1220231300052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101685941678 (or 101685941676 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 1220231300052 its reverse (2500031320221), we get a palindrome (3720262620273).

The spelling of 1220231300052 in words is "one trillion, two hundred twenty billion, two hundred thirty-one million, three hundred thousand, fifty-two".