1213330412 has 24 divisors (see below), whose sum is σ = 2427503904. Its totient is φ = 519818112.

The previous prime is 1213330411. The next prime is 1213330429. The reversal of 1213330412 is 2140333121.

It is not an unprimeable number, because it can be changed into a prime (1213330411) 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, 102968 + ... + 114144.

It is an arithmetic number, because the mean of its divisors is an integer number (101145996).

Almost surely, 2^1213330412 is an apocalyptic number.

It is an amenable number.

1213330412 is an abundant number, since it is smaller than the sum of its proper divisors (1214173492).

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

1213330412 is a wasteful number, since it uses less digits than its factorization.

1213330412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15065 (or 15063 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1213330412 is about 34832.8926734488. The cubic root of 1213330412 is about 1066.5789980465.

Adding to 1213330412 its reverse (2140333121), we get a palindrome (3353663533).

The spelling of 1213330412 in words is "one billion, two hundred thirteen million, three hundred thirty thousand, four hundred twelve".