1301213223312 has 40 divisors (see below), whose sum is σ = 3361528360320. Its totient is φ = 433729887360.

The previous prime is 1301213223311. The next prime is 1301213223319. The reversal of 1301213223312 is 2133223121031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1301213223311) 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, 2830489 + ... + 3257927.

It is an arithmetic number, because the mean of its divisors is an integer number (84038209008).

Almost surely, 2^{1301213223312} is an apocalyptic number.

1301213223312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301213223312 is an abundant number, since it is smaller than the sum of its proper divisors (2060315137008).

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

1301213223312 is a wasteful number, since it uses less digits than its factorization.

1301213223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490871 (or 490865 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1301213223312 its reverse (2133223121031), we get a palindrome (3434436344343).

The spelling of 1301213223312 in words is "one trillion, three hundred one billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred twelve".