12101244212 has 24 divisors (see below), whose sum is σ = 21675561600. Its totient is φ = 5908303296.

The previous prime is 12101244193. The next prime is 12101244217. The reversal of 12101244212 is 21244210121.

It is a super-2 number, since 2×12101244212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101244217) 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, 847589 + ... + 861747.

It is an arithmetic number, because the mean of its divisors is an integer number (903148400).

Almost surely, 2^12101244212 is an apocalyptic number.

It is an amenable number.

12101244212 is a deficient number, since it is larger than the sum of its proper divisors (9574317388).

12101244212 is a wasteful number, since it uses less digits than its factorization.

12101244212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19175 (or 19173 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12101244212 its reverse (21244210121), we get a palindrome (33345454333).

The spelling of 12101244212 in words is "twelve billion, one hundred one million, two hundred forty-four thousand, two hundred twelve".