1212234230131 has 4 divisors (see below), whose sum is σ = 1213421532064. Its totient is φ = 1211046928200.

The previous prime is 1212234230101. The next prime is 1212234230149. The reversal of 1212234230131 is 1310324322121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212234230131 is a prime.

It is a super-2 number, since 2×1212234230131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212234230096 and 1212234230105.

It is not an unprimeable number, because it can be changed into a prime (1212234230101) 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, 593649435 + ... + 593651476.

It is an arithmetic number, because the mean of its divisors is an integer number (303355383016).

Almost surely, 2^{1212234230131} is an apocalyptic number.

1212234230131 is a deficient number, since it is larger than the sum of its proper divisors (1187301933).

1212234230131 is a wasteful number, since it uses less digits than its factorization.

1212234230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187301932.

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

Adding to 1212234230131 its reverse (1310324322121), we get a palindrome (2522558552252).

The spelling of 1212234230131 in words is "one trillion, two hundred twelve billion, two hundred thirty-four million, two hundred thirty thousand, one hundred thirty-one".