12100404452 has 6 divisors (see below), whose sum is σ = 21175707798. Its totient is φ = 6050202224.

The previous prime is 12100404431. The next prime is 12100404523. The reversal of 12100404452 is 25440400121.

It can be written as a sum of positive squares in only one way, i.e., 7310934016 + 4789470436 = 85504^2 + 69206^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512550553 + ... + 1512550560.

It is an arithmetic number, because the mean of its divisors is an integer number (3529284633).

Almost surely, 2^12100404452 is an apocalyptic number.

It is an amenable number.

12100404452 is a deficient number, since it is larger than the sum of its proper divisors (9075303346).

12100404452 is a wasteful number, since it uses less digits than its factorization.

12100404452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025101117 (or 3025101115 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 12100404452 its reverse (25440400121), we get a palindrome (37540804573).

The spelling of 12100404452 in words is "twelve billion, one hundred million, four hundred four thousand, four hundred fifty-two".