1225463012 has 12 divisors (see below), whose sum is σ = 2148063036. Its totient is φ = 611730720.

The previous prime is 1225463011. The next prime is 1225463033. The reversal of 1225463012 is 2103645221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 211295296 + 1014167716 = 14536^2 + 31846^2 .

It is a super-2 number, since 2×1225463012² = 3003519187560224288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1225463011) 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, 247439 + ... + 252342.

It is an arithmetic number, because the mean of its divisors is an integer number (179005253).

Almost surely, 2^1225463012 is an apocalyptic number.

It is an amenable number.

1225463012 is a deficient number, since it is larger than the sum of its proper divisors (922600024).

1225463012 is a wasteful number, since it uses less digits than its factorization.

1225463012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500398 (or 500396 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1225463012 is about 35006.6138322460. The cubic root of 1225463012 is about 1070.1222709430.

The spelling of 1225463012 in words is "one billion, two hundred twenty-five million, four hundred sixty-three thousand, twelve".