120000212231 has 2 divisors, whose sum is σ = 120000212232. Its totient is φ = 120000212230.

The previous prime is 120000212183. The next prime is 120000212239. The reversal of 120000212231 is 132212000021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120000212231 is a prime.

It is a super-2 number, since 2×120000212231² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120000212239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000106115 + 60000106116.

It is an arithmetic number, because the mean of its divisors is an integer number (60000106116).

Almost surely, 2^120000212231 is an apocalyptic number.

120000212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000212231 is an equidigital number, since it uses as much as digits as its factorization.

120000212231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120000212231 its reverse (132212000021), we get a palindrome (252212212252).

The spelling of 120000212231 in words is "one hundred twenty billion, two hundred twelve thousand, two hundred thirty-one".