212210011012220 has 48 divisors (see below), whose sum is σ = 479997078488928. Its totient is φ = 78342061251840.

The previous prime is 212210011012193. The next prime is 212210011012249. The reversal of 212210011012220 is 22210110012212.

212210011012220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62960426 + ... + 66245265.

It is an arithmetic number, because the mean of its divisors is an integer number (9999939135186).

Almost surely, 2^{212210011012220} is an apocalyptic number.

212210011012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210011012220 is an abundant number, since it is smaller than the sum of its proper divisors (267787067476708).

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

212210011012220 is a wasteful number, since it uses less digits than its factorization.

212210011012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129212030 (or 129212028 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212210011012220 its reverse (22210110012212), we get a palindrome (234420121024432).

The spelling of 212210011012220 in words is "two hundred twelve trillion, two hundred ten billion, eleven million, twelve thousand, two hundred twenty".