1213210120339 has 12 divisors (see below), whose sum is σ = 1414559710368. Its totient is φ = 1037481622800.

The previous prime is 1213210120337. The next prime is 1213210120387. The reversal of 1213210120339 is 9330210123121.

It is not a de Polignac number, because 1213210120339 - 2¹ = 1213210120337 is a prime.

It is a super-2 number, since 2×1213210120339² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1213210120337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28702072 + ... + 28744309.

It is an arithmetic number, because the mean of its divisors is an integer number (117879975864).

Almost surely, 2^{1213210120339} is an apocalyptic number.

1213210120339 is a deficient number, since it is larger than the sum of its proper divisors (201349590029).

1213210120339 is an equidigital number, since it uses as much as digits as its factorization.

1213210120339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57446826 (or 57446819 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 1213210120339 in words is "one trillion, two hundred thirteen billion, two hundred ten million, one hundred twenty thousand, three hundred thirty-nine".