120130012221 has 16 divisors (see below), whose sum is σ = 160920838848. Its totient is φ = 79713273600.

The previous prime is 120130012217. The next prime is 120130012271. The reversal of 120130012221 is 122210031021.

It is not a de Polignac number, because 120130012221 - 2² = 120130012217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120130012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120130012271) 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, 1394791 + ... + 1478411.

It is an arithmetic number, because the mean of its divisors is an integer number (10057552428).

Almost surely, 2^120130012221 is an apocalyptic number.

It is an amenable number.

120130012221 is a deficient number, since it is larger than the sum of its proper divisors (40790826627).

120130012221 is a wasteful number, since it uses less digits than its factorization.

120130012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85852.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120130012221 its reverse (122210031021), we get a palindrome (242340043242).

The spelling of 120130012221 in words is "one hundred twenty billion, one hundred thirty million, twelve thousand, two hundred twenty-one".