212140441401 has 32 divisors (see below), whose sum is σ = 323749171200. Its totient is φ = 121040450496.

The previous prime is 212140441393. The next prime is 212140441417. The reversal of 212140441401 is 104144041212.

It is not a de Polignac number, because 212140441401 - 2³ = 212140441393 is a prime.

It is a super-2 number, since 2×212140441401² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212140441421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55142460 + ... + 55146306.

It is an arithmetic number, because the mean of its divisors is an integer number (10117161600).

Almost surely, 2^212140441401 is an apocalyptic number.

212140441401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212140441401 is a deficient number, since it is larger than the sum of its proper divisors (111608729799).

212140441401 is a wasteful number, since it uses less digits than its factorization.

212140441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7133.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 212140441401 its reverse (104144041212), we get a palindrome (316284482613).

The spelling of 212140441401 in words is "two hundred twelve billion, one hundred forty million, four hundred forty-one thousand, four hundred one".