212232121301 has 4 divisors (see below), whose sum is σ = 212262678432. Its totient is φ = 212201564172.

The previous prime is 212232121271. The next prime is 212232121337. The reversal of 212232121301 is 103121232212.

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 212232121301 - 2¹⁸ = 212231859157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232120301) 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, 15268145 + ... + 15282038.

It is an arithmetic number, because the mean of its divisors is an integer number (53065669608).

Almost surely, 2^212232121301 is an apocalyptic number.

It is an amenable number.

212232121301 is a deficient number, since it is larger than the sum of its proper divisors (30557131).

212232121301 is an equidigital number, since it uses as much as digits as its factorization.

212232121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30557130.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212232121301 its reverse (103121232212), we get a palindrome (315353353513).

The spelling of 212232121301 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred one".