120221345412 has 72 divisors (see below), whose sum is σ = 349246497600. Its totient is φ = 34157049408.

The previous prime is 120221345371. The next prime is 120221345423. The reversal of 120221345412 is 214543122021.

120221345412 is a `hidden beast` number, since 1 + 20 + 221 + 3 + 4 + 5 + 412 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1287487 + ... + 1377702.

It is an arithmetic number, because the mean of its divisors is an integer number (4850645800).

Almost surely, 2^120221345412 is an apocalyptic number.

120221345412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120221345412 is an abundant number, since it is smaller than the sum of its proper divisors (229025152188).

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

120221345412 is a wasteful number, since it uses less digits than its factorization.

120221345412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665385 (or 2665380 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 120221345412 its reverse (214543122021), we get a palindrome (334764467433).

The spelling of 120221345412 in words is "one hundred twenty billion, two hundred twenty-one million, three hundred forty-five thousand, four hundred twelve".