1212130425 has 24 divisors (see below), whose sum is σ = 2186244000. Its totient is φ = 587699200.

The previous prime is 1212130421. The next prime is 1212130453. The reversal of 1212130425 is 5240312121.

1212130425 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1212130425 - 2² = 1212130421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1212130421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 733800 + ... + 735449.

It is an arithmetic number, because the mean of its divisors is an integer number (91093500).

Almost surely, 2^1212130425 is an apocalyptic number.

1212130425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1212130425 is a deficient number, since it is larger than the sum of its proper divisors (974113575).

1212130425 is a wasteful number, since it uses less digits than its factorization.

1212130425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469273 (or 1469268 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1212130425 is about 34815.6635007865. The cubic root of 1212130425 is about 1066.2272655790.

Adding to 1212130425 its reverse (5240312121), we get a palindrome (6452442546).

The spelling of 1212130425 in words is "one billion, two hundred twelve million, one hundred thirty thousand, four hundred twenty-five".