2121120002012 has 24 divisors (see below), whose sum is σ = 4082877129072. Its totient is φ = 964145453040.

The previous prime is 2121120002003. The next prime is 2121120002021. The reversal of 2121120002012 is 2102000211212.

It is an interprime number because it is at equal distance from previous prime (2121120002003) and next prime (2121120002021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199198283 + ... + 199208930.

It is an arithmetic number, because the mean of its divisors is an integer number (170119880378).

Almost surely, 2^{2121120002012} is an apocalyptic number.

2121120002012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2121120002012 is a deficient number, since it is larger than the sum of its proper divisors (1961757127060).

2121120002012 is a wasteful number, since it uses less digits than its factorization.

2121120002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398407250 (or 398407226 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2121120002012 its reverse (2102000211212), we get a palindrome (4223120213224).

The spelling of 2121120002012 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, two thousand, twelve".