1212012031313 has 8 divisors (see below), whose sum is σ = 1227406049280. Its totient is φ = 1196619315840.

The previous prime is 1212012031291. The next prime is 1212012031369. The reversal of 1212012031313 is 3131302102121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1212012031313 - 2⁸ = 1212012031057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212012031213) 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, 1620656 + ... + 2247342.

It is an arithmetic number, because the mean of its divisors is an integer number (153425756160).

Almost surely, 2^{1212012031313} is an apocalyptic number.

It is an amenable number.

1212012031313 is a deficient number, since it is larger than the sum of its proper divisors (15394017967).

1212012031313 is an equidigital number, since it uses as much as digits as its factorization.

1212012031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651247.

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

Adding to 1212012031313 its reverse (3131302102121), we get a palindrome (4343314133434).

The spelling of 1212012031313 in words is "one trillion, two hundred twelve billion, twelve million, thirty-one thousand, three hundred thirteen".