1213056122 has 16 divisors (see below), whose sum is σ = 1847506752. Its totient is φ = 597268320.

The previous prime is 1213056073. The next prime is 1213056149. The reversal of 1213056122 is 2216503121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39878 + ... + 63374.

It is an arithmetic number, because the mean of its divisors is an integer number (115469172).

Almost surely, 2^1213056122 is an apocalyptic number.

1213056122 is a deficient number, since it is larger than the sum of its proper divisors (634450630).

1213056122 is a wasteful number, since it uses less digits than its factorization.

1213056122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23893.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1213056122 is about 34828.9552240661. The cubic root of 1213056122 is about 1066.4986203801.

Adding to 1213056122 its reverse (2216503121), we get a palindrome (3429559243).

The spelling of 1213056122 in words is "one billion, two hundred thirteen million, fifty-six thousand, one hundred twenty-two".