120013212021 has 8 divisors (see below), whose sum is σ = 160103608224. Its totient is φ = 79965811920.

The previous prime is 120013211971. The next prime is 120013212023. The reversal of 120013212021 is 120212310021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120013212021 - 2¹³ = 120013203829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120013212023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10742511 + ... + 10753676.

It is an arithmetic number, because the mean of its divisors is an integer number (20012951028).

Almost surely, 2^120013212021 is an apocalyptic number.

It is an amenable number.

120013212021 is a deficient number, since it is larger than the sum of its proper divisors (40090396203).

120013212021 is a wasteful number, since it uses less digits than its factorization.

120013212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21498051.

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

Adding to 120013212021 its reverse (120212310021), we get a palindrome (240225522042).

The spelling of 120013212021 in words is "one hundred twenty billion, thirteen million, two hundred twelve thousand, twenty-one".