12133445352015 has 64 divisors (see below), whose sum is σ = 21379904372736. Its totient is φ = 5838568791552.

The previous prime is 12133445352013. The next prime is 12133445352037. The reversal of 12133445352015 is 51025354433121.

It is not a de Polignac number, because 12133445352015 - 2¹ = 12133445352013 is a prime.

It is a super-2 number, since 2×12133445352015² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133445352013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6063474 + ... + 7812336.

It is an arithmetic number, because the mean of its divisors is an integer number (334061005824).

Almost surely, 2^{12133445352015} is an apocalyptic number.

12133445352015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12133445352015 is a deficient number, since it is larger than the sum of its proper divisors (9246459020721).

12133445352015 is a wasteful number, since it uses less digits than its factorization.

12133445352015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749688.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 12133445352015 its reverse (51025354433121), we get a palindrome (63158799785136).

The spelling of 12133445352015 in words is "twelve trillion, one hundred thirty-three billion, four hundred forty-five million, three hundred fifty-two thousand, fifteen".