1212425044 has 12 divisors (see below), whose sum is σ = 2123006004. Its totient is φ = 605851904.

The previous prime is 1212425021. The next prime is 1212425077. The reversal of 1212425044 is 4405242121.

It can be written as a sum of positive squares in 2 ways, for example, as 1184736400 + 27688644 = 34420^2 + 5262^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82519 + ... + 96094.

It is an arithmetic number, because the mean of its divisors is an integer number (176917167).

Almost surely, 2^1212425044 is an apocalyptic number.

It is an amenable number.

1212425044 is a deficient number, since it is larger than the sum of its proper divisors (910580960).

1212425044 is a wasteful number, since it uses less digits than its factorization.

1212425044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180314 (or 180312 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1212425044 is about 34819.8943708909. The cubic root of 1212425044 is about 1066.3136438974.

Adding to 1212425044 its reverse (4405242121), we get a palindrome (5617667165).

The spelling of 1212425044 in words is "one billion, two hundred twelve million, four hundred twenty-five thousand, forty-four".