12210542425 has 24 divisors (see below), whose sum is σ = 15605251200. Its totient is φ = 9472783680.

The previous prime is 12210542371. The next prime is 12210542437. The reversal of 12210542425 is 52424501221.

It is a happy number.

It is not a de Polignac number, because 12210542425 - 2²¹ = 12208445273 is a prime.

It is a super-3 number, since 3×12210542425³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12210542393 and 12210542402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80406 + ... + 175744.

It is an arithmetic number, because the mean of its divisors is an integer number (650218800).

Almost surely, 2^12210542425 is an apocalyptic number.

It is an amenable number.

12210542425 is a deficient number, since it is larger than the sum of its proper divisors (3394708775).

12210542425 is a wasteful number, since it uses less digits than its factorization.

12210542425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95505 (or 95500 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 12210542425 in words is "twelve billion, two hundred ten million, five hundred forty-two thousand, four hundred twenty-five".