212101020010 has 128 divisors (see below), whose sum is σ = 433774268928. Its totient is φ = 73995264000.

The previous prime is 212101020007. The next prime is 212101020011. The reversal of 212101020010 is 10020101212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (212101020011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189883972 + ... + 189885088.

It is an arithmetic number, because the mean of its divisors is an integer number (3388861476).

Almost surely, 2^212101020010 is an apocalyptic number.

212101020010 is an abundant number, since it is smaller than the sum of its proper divisors (221673248918).

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

212101020010 is a wasteful number, since it uses less digits than its factorization.

212101020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 212101020010 its reverse (10020101212), we get a palindrome (222121121222).

The spelling of 212101020010 in words is "two hundred twelve billion, one hundred one million, twenty thousand, ten".