12132605451551 has 16 divisors (see below), whose sum is σ = 13195804560288. Its totient is φ = 11087975952000.

The previous prime is 12132605451509. The next prime is 12132605451611. The reversal of 12132605451551 is 15515450623121.

It is a cyclic number.

It is not a de Polignac number, because 12132605451551 - 2⁴² = 7734558940447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12132605451499 and 12132605451508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132605451451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33111536 + ... + 33475946.

It is an arithmetic number, because the mean of its divisors is an integer number (824737785018).

Almost surely, 2^{12132605451551} is an apocalyptic number.

12132605451551 is a deficient number, since it is larger than the sum of its proper divisors (1063199108737).

12132605451551 is a wasteful number, since it uses less digits than its factorization.

12132605451551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389882.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 12132605451551 in words is "twelve trillion, one hundred thirty-two billion, six hundred five million, four hundred fifty-one thousand, five hundred fifty-one".