212110351124 has 18 divisors (see below), whose sum is σ = 431796072330. Its totient is φ = 90904436112.

The previous prime is 212110351099. The next prime is 212110351127. The reversal of 212110351124 is 421153011212.

It can be written as a sum of positive squares in only one way, i.e., 133906228624 + 78204122500 = 365932^2 + 279650^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212110351124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110351127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 541097639 + ... + 541098030.

It is an arithmetic number, because the mean of its divisors is an integer number (23988670685).

Almost surely, 2^212110351124 is an apocalyptic number.

It is an amenable number.

212110351124 is an abundant number, since it is smaller than the sum of its proper divisors (219685721206).

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

212110351124 is a wasteful number, since it uses less digits than its factorization.

212110351124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082195687 (or 1082195678 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 212110351124 its reverse (421153011212), we get a palindrome (633263362336).

The spelling of 212110351124 in words is "two hundred twelve billion, one hundred ten million, three hundred fifty-one thousand, one hundred twenty-four".