1213308042 has 16 divisors (see below), whose sum is σ = 2554332960. Its totient is φ = 383149872.

The previous prime is 1213307999. The next prime is 1213308049. The reversal of 1213308042 is 2408033121.

It is not an unprimeable number, because it can be changed into a prime (1213308049) 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, 5321413 + ... + 5321640.

It is an arithmetic number, because the mean of its divisors is an integer number (159645810).

Almost surely, 2^1213308042 is an apocalyptic number.

1213308042 is an abundant number, since it is smaller than the sum of its proper divisors (1341024918).

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

1213308042 is a wasteful number, since it uses less digits than its factorization.

1213308042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643077.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1213308042 is about 34832.5715674281. The cubic root of 1213308042 is about 1066.5724432179.

The spelling of 1213308042 in words is "one billion, two hundred thirteen million, three hundred eight thousand, forty-two".