120200212091 has 4 divisors (see below), whose sum is σ = 120271044792. Its totient is φ = 120129379392.

The previous prime is 120200212081. The next prime is 120200212193. The reversal of 120200212091 is 190212002021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190212002021 = 163729 ⋅1161749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120200212091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120200212081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35413805 + ... + 35417198.

It is an arithmetic number, because the mean of its divisors is an integer number (30067761198).

Almost surely, 2^120200212091 is an apocalyptic number.

120200212091 is a deficient number, since it is larger than the sum of its proper divisors (70832701).

120200212091 is an equidigital number, since it uses as much as digits as its factorization.

120200212091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70832700.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 120200212091 in words is "one hundred twenty billion, two hundred million, two hundred twelve thousand, ninety-one".