2121011202012 has 12 divisors (see below), whose sum is σ = 4949026138056. Its totient is φ = 707003734000.

The previous prime is 2121011202007. The next prime is 2121011202031. The reversal of 2121011202012 is 2102021101212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2121011201982 and 2121011202000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88375466739 + ... + 88375466762.

It is an arithmetic number, because the mean of its divisors is an integer number (412418844838).

Almost surely, 2^{2121011202012} is an apocalyptic number.

It is an amenable number.

2121011202012 is an abundant number, since it is smaller than the sum of its proper divisors (2828014936044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121011202012 is a wasteful number, since it uses less digits than its factorization.

2121011202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176750933508 (or 176750933506 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2121011202012 its reverse (2102021101212), we get a palindrome (4223032303224).

The spelling of 2121011202012 in words is "two trillion, one hundred twenty-one billion, eleven million, two hundred two thousand, twelve".