425221012 has 12 divisors (see below), whose sum is σ = 744985696. Its totient is φ = 212367960.

The previous prime is 425221003. The next prime is 425221031. The reversal of 425221012 is 210122524.

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, 56664 + ... + 63727.

Almost surely, 2^425221012 is an apocalyptic number.

It is an amenable number.

425221012 is a deficient number, since it is larger than the sum of its proper divisors (319764684).

425221012 is a wasteful number, since it uses less digits than its factorization.

425221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121278 (or 121276 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 425221012 is about 20620.8877597450. The cubic root of 425221012 is about 751.9776027923.

Adding to 425221012 its reverse (210122524), we get a palindrome (635343536).

It can be divided in two parts, 42522 and 1012, that added together give a palindrome (43534).

The spelling of 425221012 in words is "four hundred twenty-five million, two hundred twenty-one thousand, twelve".