12101205104 has 20 divisors (see below), whose sum is σ = 24017941920. Its totient is φ = 5903026560.

The previous prime is 12101205101. The next prime is 12101205107. The reversal of 12101205104 is 40150210121.

It is an interprime number because it is at equal distance from previous prime (12101205101) and next prime (12101205107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101205101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9222824 + ... + 9224135.

It is an arithmetic number, because the mean of its divisors is an integer number (1200897096).

Almost surely, 2^12101205104 is an apocalyptic number.

It is an amenable number.

12101205104 is a deficient number, since it is larger than the sum of its proper divisors (11916736816).

12101205104 is a wasteful number, since it uses less digits than its factorization.

12101205104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18447008 (or 18447002 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12101205104 its reverse (40150210121), we get a palindrome (52251415225).

The spelling of 12101205104 in words is "twelve billion, one hundred one million, two hundred five thousand, one hundred four".