2100210200212 has 24 divisors (see below), whose sum is σ = 3692773225512. Its totient is φ = 1045140902400.

The previous prime is 2100210200201. The next prime is 2100210200219. The reversal of 2100210200212 is 2120020120012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 662618792196 + 1437591408016 = 814014^2 + 1198996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2100210200192 and 2100210200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100210200219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136489 + ... + 2054032.

It is an arithmetic number, because the mean of its divisors is an integer number (153865551063).

Almost surely, 2^{2100210200212} is an apocalyptic number.

It is an amenable number.

2100210200212 is a deficient number, since it is larger than the sum of its proper divisors (1592563025300).

2100210200212 is a wasteful number, since it uses less digits than its factorization.

2100210200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191659 (or 2191657 counting only the distinct ones).

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

Adding to 2100210200212 its reverse (2120020120012), we get a palindrome (4220230320224).

The spelling of 2100210200212 in words is "two trillion, one hundred billion, two hundred ten million, two hundred thousand, two hundred twelve".