1225107412 has 12 divisors (see below), whose sum is σ = 2144271220. Its totient is φ = 612458496.

The previous prime is 1225107409. The next prime is 1225107413. The reversal of 1225107412 is 2147015221.

It can be written as a sum of positive squares in 2 ways, for example, as 1110488976 + 114618436 = 33324^2 + 10706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225107413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10708 + ... + 50644.

Almost surely, 2^1225107412 is an apocalyptic number.

It is an amenable number.

1225107412 is a deficient number, since it is larger than the sum of its proper divisors (919163808).

1225107412 is a wasteful number, since it uses less digits than its factorization.

1225107412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47610 (or 47608 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1225107412 is about 35001.5344235078. The cubic root of 1225107412 is about 1070.0187529831.

The spelling of 1225107412 in words is "one billion, two hundred twenty-five million, one hundred seven thousand, four hundred twelve".