12146620532 has 6 divisors (see below), whose sum is σ = 21256585938. Its totient is φ = 6073310264.

The previous prime is 12146620531. The next prime is 12146620567. The reversal of 12146620532 is 23502664121.

It can be written as a sum of positive squares in only one way, i.e., 7452178276 + 4694442256 = 86326^2 + 68516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146620531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518327563 + ... + 1518327570.

It is an arithmetic number, because the mean of its divisors is an integer number (3542764323).

Almost surely, 2^12146620532 is an apocalyptic number.

It is an amenable number.

12146620532 is a deficient number, since it is larger than the sum of its proper divisors (9109965406).

12146620532 is a wasteful number, since it uses less digits than its factorization.

12146620532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036655137 (or 3036655135 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 12146620532 in words is "twelve billion, one hundred forty-six million, six hundred twenty thousand, five hundred thirty-two".