12510022 has 16 divisors (see below), whose sum is σ = 22378752. Its totient is φ = 5128200.

The previous prime is 12509983. The next prime is 12510023. The reversal of 12510022 is 22001521.

It is a junction number, because it is equal to n+sod(n) for n = 12509984 and 12510011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19104 + ... + 19747.

It is an arithmetic number, because the mean of its divisors is an integer number (1398672).

Almost surely, 2^12510022 is an apocalyptic number.

12510022 is a deficient number, since it is larger than the sum of its proper divisors (9868730).

12510022 is a wasteful number, since it uses less digits than its factorization.

12510022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38883.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12510022 is about 3536.9509467902. The cubic root of 12510022 is about 232.1414491163.

Adding to 12510022 its reverse (22001521), we get a palindrome (34511543).

The spelling of 12510022 in words is "twelve million, five hundred ten thousand, twenty-two".