20100202210212 has 12 divisors (see below), whose sum is σ = 46900471823856. Its totient is φ = 6700067403400.

The previous prime is 20100202210201. The next prime is 20100202210213. The reversal of 20100202210212 is 21201220200102.

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

It is a super-2 number, since 2×20100202210212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20100202210191 and 20100202210200.

It is not an unprimeable number, because it can be changed into a prime (20100202210213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837508425414 + ... + 837508425437.

It is an arithmetic number, because the mean of its divisors is an integer number (3908372651988).

Almost surely, 2^{20100202210212} is an apocalyptic number.

It is an amenable number.

20100202210212 is an abundant number, since it is smaller than the sum of its proper divisors (26800269613644).

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

20100202210212 is a wasteful number, since it uses less digits than its factorization.

20100202210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675016850858 (or 1675016850856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20100202210212 its reverse (21201220200102), we get a palindrome (41301422410314).

The spelling of 20100202210212 in words is "twenty trillion, one hundred billion, two hundred two million, two hundred ten thousand, two hundred twelve".