12162035482921 has 9 divisors (see below), whose sum is σ = 12310624450711. Its totient is φ = 12015218967232.

The previous prime is 12162035482871. The next prime is 12162035482973. The reversal of 12162035482921 is 12928453026121.

The square root of 12162035482921 is 3487411.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1571801301225 + 10590234181696 = 1253715^2 + 3254264^2 .

It is not a de Polignac number, because 12162035482921 - 2²¹ = 12162033385769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12162035282921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 289434105 + ... + 289476121.

Almost surely, 2^{12162035482921} is an apocalyptic number.

12162035482921 is the 3487411-st square number.

12162035482921 is the 1743706-th centered octagonal number.

It is an amenable number.

12162035482921 is a deficient number, since it is larger than the sum of its proper divisors (148588967790).

12162035482921 is an frugal number, since it uses more digits than its factorization.

12162035482921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84200 (or 42100 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 12162035482921 in words is "twelve trillion, one hundred sixty-two billion, thirty-five million, four hundred eighty-two thousand, nine hundred twenty-one".