120212121005 has 32 divisors (see below), whose sum is σ = 150407331840. Its totient is φ = 92134992960.

The previous prime is 120212120999. The next prime is 120212121019. The reversal of 120212121005 is 500121212021.

It is not a de Polignac number, because 120212121005 - 2¹² = 120212116909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6288572 + ... + 6307658.

It is an arithmetic number, because the mean of its divisors is an integer number (4700229120).

Almost surely, 2^120212121005 is an apocalyptic number.

It is an amenable number.

120212121005 is a deficient number, since it is larger than the sum of its proper divisors (30195210835).

120212121005 is a wasteful number, since it uses less digits than its factorization.

120212121005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19529.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 120212121005 its reverse (500121212021), we get a palindrome (620333333026).

The spelling of 120212121005 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, five".