1225012372 has 12 divisors (see below), whose sum is σ = 2164585696. Its totient is φ = 606559320.

The previous prime is 1225012363. The next prime is 1225012381. The reversal of 1225012372 is 2732105221.

It is an interprime number because it is at equal distance from previous prime (1225012363) and next prime (1225012381).

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, 1486254 + ... + 1487077.

Almost surely, 2^1225012372 is an apocalyptic number.

It is an amenable number.

1225012372 is a deficient number, since it is larger than the sum of its proper divisors (939573324).

1225012372 is a wasteful number, since it uses less digits than its factorization.

1225012372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973438 (or 2973436 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1225012372 is about 35000.1767424109. The cubic root of 1225012372 is about 1069.9910826986.

Adding to 1225012372 its reverse (2732105221), we get a palindrome (3957117593).

The spelling of 1225012372 in words is "one billion, two hundred twenty-five million, twelve thousand, three hundred seventy-two".