12106240436 has 6 divisors (see below), whose sum is σ = 21185920770. Its totient is φ = 6053120216.

The previous prime is 12106240361. The next prime is 12106240451. The reversal of 12106240436 is 63404260121.

It can be written as a sum of positive squares in only one way, i.e., 10921504036 + 1184736400 = 104506^2 + 34420^2 .

It is a super-2 number, since 2×12106240436² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12106240399 and 12106240408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513280051 + ... + 1513280058.

It is an arithmetic number, because the mean of its divisors is an integer number (3530986795).

Almost surely, 2^12106240436 is an apocalyptic number.

It is an amenable number.

12106240436 is a deficient number, since it is larger than the sum of its proper divisors (9079680334).

12106240436 is a wasteful number, since it uses less digits than its factorization.

12106240436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026560113 (or 3026560111 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12106240436 in words is "twelve billion, one hundred six million, two hundred forty thousand, four hundred thirty-six".