212010222221120 has 112 divisors (see below), whose sum is σ = 534389191214400. Its totient is φ = 79891884564480.

The previous prime is 212010222221107. The next prime is 212010222221129. The reversal of 212010222221120 is 21122222010212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 212010222221092 and 212010222221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010222221129) 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, 96314201 + ... + 98490840.

Almost surely, 2^{212010222221120} is an apocalyptic number.

212010222221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010222221120 is an abundant number, since it is smaller than the sum of its proper divisors (322378968993280).

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

212010222221120 is a wasteful number, since it uses less digits than its factorization.

212010222221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194805256 (or 194805246 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212010222221120 its reverse (21122222010212), we get a palindrome (233132444231332).

The spelling of 212010222221120 in words is "two hundred twelve trillion, ten billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty".