212144414311420 has 48 divisors (see below), whose sum is σ = 449602749953280. Its totient is φ = 84076954988544.

The previous prime is 212144414311409. The next prime is 212144414311429. The reversal of 212144414311420 is 24113414441212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212144414311429) 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, 79537692 + ... + 82161628.

It is an arithmetic number, because the mean of its divisors is an integer number (9366723957360).

Almost surely, 2^{212144414311420} is an apocalyptic number.

212144414311420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212144414311420 is an abundant number, since it is smaller than the sum of its proper divisors (237458335641860).

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

212144414311420 is a wasteful number, since it uses less digits than its factorization.

212144414311420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661142 (or 2661140 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

Adding to 212144414311420 its reverse (24113414441212), we get a palindrome (236257828752632).

The spelling of 212144414311420 in words is "two hundred twelve trillion, one hundred forty-four billion, four hundred fourteen million, three hundred eleven thousand, four hundred twenty".