1323210012131 has 8 divisors (see below), whose sum is σ = 1513626127104. Its totient is φ = 1133140425480.

The previous prime is 1323210012127. The next prime is 1323210012167. The reversal of 1323210012131 is 1312100123231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323210012131 - 2² = 1323210012127 is a prime.

It is a super-2 number, since 2×1323210012131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323210012181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86623895 + ... + 86639168.

It is an arithmetic number, because the mean of its divisors is an integer number (189203265888).

Almost surely, 2^{1323210012131} is an apocalyptic number.

1323210012131 is a deficient number, since it is larger than the sum of its proper divisors (190416114973).

1323210012131 is a wasteful number, since it uses less digits than its factorization.

1323210012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173264161.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1323210012131 its reverse (1312100123231), we get a palindrome (2635310135362).

It can be divided in two parts, 13232100 and 12131, that added together give a palindrome (13244231).

The spelling of 1323210012131 in words is "one trillion, three hundred twenty-three billion, two hundred ten million, twelve thousand, one hundred thirty-one".