201012100212220 has 48 divisors (see below), whose sum is σ = 460519670572416. Its totient is φ = 73092257928000.

The previous prime is 201012100212211. The next prime is 201012100212227. The reversal of 201012100212220 is 22212001210102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201012100212194 and 201012100212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012100212227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13784646 + ... + 24331885.

It is an arithmetic number, because the mean of its divisors is an integer number (9594159803592).

Almost surely, 2^{201012100212220} is an apocalyptic number.

201012100212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012100212220 is an abundant number, since it is smaller than the sum of its proper divisors (259507570360196).

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

201012100212220 is a wasteful number, since it uses less digits than its factorization.

201012100212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38140522 (or 38140520 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201012100212220 its reverse (22212001210102), we get a palindrome (223224101422322).

The spelling of 201012100212220 in words is "two hundred one trillion, twelve billion, one hundred million, two hundred twelve thousand, two hundred twenty".