12001226025 has 48 divisors (see below), whose sum is σ = 20903672000. Its totient is φ = 6058748160.

The previous prime is 12001226023. The next prime is 12001226053. The reversal of 12001226025 is 52062210021.

It is a happy number.

It is not a de Polignac number, because 12001226025 - 2¹ = 12001226023 is a prime.

It is a super-2 number, since 2×12001226025² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001225992 and 12001226010.

It is not an unprimeable number, because it can be changed into a prime (12001226021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2204607 + ... + 2210043.

Almost surely, 2^12001226025 is an apocalyptic number.

12001226025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12001226025 is a deficient number, since it is larger than the sum of its proper divisors (8902445975).

12001226025 is a wasteful number, since it uses less digits than its factorization.

12001226025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018 (or 7013 counting only the distinct ones).

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

Adding to 12001226025 its reverse (52062210021), we get a palindrome (64063436046).

The spelling of 12001226025 in words is "twelve billion, one million, two hundred twenty-six thousand, twenty-five".