2121210201012 has 48 divisors (see below), whose sum is σ = 5665144235520. Its totient is φ = 605140375392.

The previous prime is 2121210201007. The next prime is 2121210201023. The reversal of 2121210201012 is 2101020121212.

It is a super-3 number, since 3×2121210201012³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121210200982 and 2121210201000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19104358 + ... + 19215069.

It is an arithmetic number, because the mean of its divisors is an integer number (118023838240).

Almost surely, 2^{2121210201012} is an apocalyptic number.

It is an amenable number.

2121210201012 is an abundant number, since it is smaller than the sum of its proper divisors (3543934034508).

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

2121210201012 is a wasteful number, since it uses less digits than its factorization.

2121210201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38320100 (or 38320098 counting only the distinct ones).

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

Adding to 2121210201012 its reverse (2101020121212), we get a palindrome (4222230322224).

The spelling of 2121210201012 in words is "two trillion, one hundred twenty-one billion, two hundred ten million, two hundred one thousand, twelve".