1213995439307 has 8 divisors (see below), whose sum is σ = 1387686220800. Its totient is φ = 1040370373224.

The previous prime is 1213995439291. The next prime is 1213995439309. The reversal of 1213995439307 is 7039345993121.

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

It is not a de Polignac number, because 1213995439307 - 2⁴ = 1213995439291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213995439309) 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, 16389257 + ... + 16463162.

It is an arithmetic number, because the mean of its divisors is an integer number (173460777600).

Almost surely, 2^{1213995439307} is an apocalyptic number.

1213995439307 is a deficient number, since it is larger than the sum of its proper divisors (173690781493).

1213995439307 is an equidigital number, since it uses as much as digits as its factorization.

1213995439307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32857705.

The product of its (nonzero) digits is 5511240, while the sum is 56.

The spelling of 1213995439307 in words is "one trillion, two hundred thirteen billion, nine hundred ninety-five million, four hundred thirty-nine thousand, three hundred seven".