213301112131220 has 12 divisors (see below), whose sum is σ = 447932335475604. Its totient is φ = 85320444852480.

The previous prime is 213301112131141. The next prime is 213301112131267. The reversal of 213301112131220 is 22131211103312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64113746495236 + 149187365635984 = 8007106^2 + 12214228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5332527803261 + ... + 5332527803300.

It is an arithmetic number, because the mean of its divisors is an integer number (37327694622967).

Almost surely, 2^{213301112131220} is an apocalyptic number.

213301112131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213301112131220 is an abundant number, since it is smaller than the sum of its proper divisors (234631223344384).

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

213301112131220 is a wasteful number, since it uses less digits than its factorization.

213301112131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665055606570 (or 10665055606568 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 213301112131220 its reverse (22131211103312), we get a palindrome (235432323234532).

The spelling of 213301112131220 in words is "two hundred thirteen trillion, three hundred one billion, one hundred twelve million, one hundred thirty-one thousand, two hundred twenty".