212103132213120 has 64 divisors (see below), whose sum is σ = 676078733935440. Its totient is φ = 56560835256320.

The previous prime is 212103132213067. The next prime is 212103132213127. The reversal of 212103132213120 is 21312231301212.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103132213127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55235188761 + ... + 55235192600.

Almost surely, 2^{212103132213120} is an apocalyptic number.

212103132213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212103132213120 is an abundant number, since it is smaller than the sum of its proper divisors (463975601722320).

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

212103132213120 is a wasteful number, since it uses less digits than its factorization.

212103132213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110470381383 (or 110470381371 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 212103132213120 its reverse (21312231301212), we get a palindrome (233415363514332).

The spelling of 212103132213120 in words is "two hundred twelve trillion, one hundred three billion, one hundred thirty-two million, two hundred thirteen thousand, one hundred twenty".