120512113313652 has 144 divisors (see below), whose sum is σ = 311957525880000. Its totient is φ = 39205637549568.

The previous prime is 120512113313573. The next prime is 120512113313717. The reversal of 120512113313652 is 256313311215021.

It is a happy number.

120512113313652 is a `hidden beast` number, since 1 + 2 + 0 + 51 + 211 + 3 + 31 + 365 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15963979974 + ... + 15963987522.

It is an arithmetic number, because the mean of its divisors is an integer number (2166371707500).

Almost surely, 2^{120512113313652} is an apocalyptic number.

120512113313652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120512113313652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155978762940000).

120512113313652 is an abundant number, since it is smaller than the sum of its proper divisors (191445412566348).

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

120512113313652 is a wasteful number, since it uses less digits than its factorization.

120512113313652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14350 (or 14345 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 120512113313652 its reverse (256313311215021), we get a palindrome (376825424528673).

The spelling of 120512113313652 in words is "one hundred twenty trillion, five hundred twelve billion, one hundred thirteen million, three hundred thirteen thousand, six hundred fifty-two".