2100002120212 has 12 divisors (see below), whose sum is σ = 3719280864096. Its totient is φ = 1037350444760.

The previous prime is 2100002120171. The next prime is 2100002120213. The reversal of 2100002120212 is 2120212000012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100002120192 and 2100002120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100002120213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3162653464 + ... + 3162654127.

It is an arithmetic number, because the mean of its divisors is an integer number (309940072008).

Almost surely, 2^{2100002120212} is an apocalyptic number.

It is an amenable number.

2100002120212 is a deficient number, since it is larger than the sum of its proper divisors (1619278743884).

2100002120212 is a wasteful number, since it uses less digits than its factorization.

2100002120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325307678 (or 6325307676 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100002120212 its reverse (2120212000012), we get a palindrome (4220214120224).

The spelling of 2100002120212 in words is "two trillion, one hundred billion, two million, one hundred twenty thousand, two hundred twelve".