120212999999 has 4 divisors (see below), whose sum is σ = 120306117480. Its totient is φ = 120119882520.

The previous prime is 120212999957. The next prime is 120213000029. The reversal of 120212999999 is 999999212021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120212999999 is a prime.

It is a Duffinian number.

120212999999 is a modest number, since divided by 999999 gives 120212 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212999939) 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, 46556804 + ... + 46559385.

It is an arithmetic number, because the mean of its divisors is an integer number (30076529370).

Almost surely, 2^120212999999 is an apocalyptic number.

120212999999 is a deficient number, since it is larger than the sum of its proper divisors (93117481).

120212999999 is an equidigital number, since it uses as much as digits as its factorization.

120212999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93117480.

The product of its (nonzero) digits is 4251528, while the sum is 62.

It can be divided in two parts, 120212 and 999999, that added together give a palindrome (1120211).

The spelling of 120212999999 in words is "one hundred twenty billion, two hundred twelve million, nine hundred ninety-nine thousand, nine hundred ninety-nine".