212111003213120 has 112 divisors (see below), whose sum is σ = 554386947599808. Its totient is φ = 76658075688960.

The previous prime is 212111003213117. The next prime is 212111003213167. The reversal of 212111003213120 is 21312300111212.

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 = 212111003213092 and 212111003213101.

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, 184269209 + ... + 185416728.

Almost surely, 2^{212111003213120} is an apocalyptic number.

212111003213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111003213120 is an abundant number, since it is smaller than the sum of its proper divisors (342275944386688).

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

212111003213120 is a wasteful number, since it uses less digits than its factorization.

212111003213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369686128 (or 369686118 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 212111003213120 its reverse (21312300111212), we get a palindrome (233423303324332).

The spelling of 212111003213120 in words is "two hundred twelve trillion, one hundred eleven billion, three million, two hundred thirteen thousand, one hundred twenty".