12155051215032 has 64 divisors (see below), whose sum is σ = 33361287177600. Its totient is φ = 3659888019840.

The previous prime is 12155051215009. The next prime is 12155051215037. The reversal of 12155051215032 is 23051215055121.

It is a super-2 number, since 2×12155051215032² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 12155051214984 and 12155051215002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12155051215037) 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, 146588682 + ... + 146671577.

It is an arithmetic number, because the mean of its divisors is an integer number (521270112150).

Almost surely, 2^{12155051215032} is an apocalyptic number.

12155051215032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12155051215032 is an abundant number, since it is smaller than the sum of its proper divisors (21206235962568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12155051215032 is a wasteful number, since it uses less digits than its factorization.

12155051215032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293260436 (or 293260432 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 12155051215032 in words is "twelve trillion, one hundred fifty-five billion, fifty-one million, two hundred fifteen thousand, thirty-two".