12101442522 has 16 divisors (see below), whose sum is σ = 26064645600. Its totient is φ = 3723520752.

The previous prime is 12101442517. The next prime is 12101442533. The reversal of 12101442522 is 22524410121.

It is a super-2 number, since 2×12101442522² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101442492 and 12101442501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77573272 + ... + 77573427.

It is an arithmetic number, because the mean of its divisors is an integer number (1629040350).

Almost surely, 2^12101442522 is an apocalyptic number.

12101442522 is an abundant number, since it is smaller than the sum of its proper divisors (13963203078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101442522 is a wasteful number, since it uses less digits than its factorization.

12101442522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155146717.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 12101442522 its reverse (22524410121), we get a palindrome (34625852643).

The spelling of 12101442522 in words is "twelve billion, one hundred one million, four hundred forty-two thousand, five hundred twenty-two".