120266394012 has 72 divisors (see below), whose sum is σ = 311877886320. Its totient is φ = 39055645440.

The previous prime is 120266393993. The next prime is 120266394013. The reversal of 120266394012 is 210493662021.

It is a happy number.

120266394012 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 6 + 639 + 4 + 0 + 12 = 666.

It is a super-2 number, since 2×120266394012² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120266394013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 502312 + ... + 702032.

It is an arithmetic number, because the mean of its divisors is an integer number (4331637310).

Almost surely, 2^120266394012 is an apocalyptic number.

120266394012 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 120266394012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155938943160).

120266394012 is an abundant number, since it is smaller than the sum of its proper divisors (191611492308).

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

120266394012 is a wasteful number, since it uses less digits than its factorization.

120266394012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200163 (or 200158 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 120266394012 in words is "one hundred twenty billion, two hundred sixty-six million, three hundred ninety-four thousand, twelve".