212442011401420 has 12 divisors (see below), whose sum is σ = 446128223943024. Its totient is φ = 84976804560560.

The previous prime is 212442011401379. The next prime is 212442011401423. The reversal of 212442011401420 is 24104110244212.

It is a super-3 number, since 3×212442011401420³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (212442011401423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5311050285016 + ... + 5311050285055.

It is an arithmetic number, because the mean of its divisors is an integer number (37177351995252).

Almost surely, 2^{212442011401420} is an apocalyptic number.

212442011401420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212442011401420 is an abundant number, since it is smaller than the sum of its proper divisors (233686212541604).

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

212442011401420 is a wasteful number, since it uses less digits than its factorization.

212442011401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622100570080 (or 10622100570078 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 212442011401420 its reverse (24104110244212), we get a palindrome (236546121645632).

The spelling of 212442011401420 in words is "two hundred twelve trillion, four hundred forty-two billion, eleven million, four hundred one thousand, four hundred twenty".