212143030310401 has 4 divisors (see below), whose sum is σ = 212288433348400. Its totient is φ = 211997627272404.

The previous prime is 212143030310389. The next prime is 212143030310429. The reversal of 212143030310401 is 104013030341212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212143030310401 - 2³¹ = 212140882826753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212143030310441) 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, 72701516811 + ... + 72701519728.

It is an arithmetic number, because the mean of its divisors is an integer number (53072108337100).

Almost surely, 2^{212143030310401} is an apocalyptic number.

It is an amenable number.

212143030310401 is a deficient number, since it is larger than the sum of its proper divisors (145403037999).

212143030310401 is a wasteful number, since it uses less digits than its factorization.

212143030310401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145403037998.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212143030310401 its reverse (104013030341212), we get a palindrome (316156060651613).

The spelling of 212143030310401 in words is "two hundred twelve trillion, one hundred forty-three billion, thirty million, three hundred ten thousand, four hundred one".