230131223212 has 24 divisors (see below), whose sum is σ = 439509525840. Its totient is φ = 104565077760.

The previous prime is 230131223207. The next prime is 230131223233. The reversal of 230131223212 is 212322131032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884137 + ... + 1114432.

It is an arithmetic number, because the mean of its divisors is an integer number (18312896910).

Almost surely, 2^230131223212 is an apocalyptic number.

230131223212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230131223212 is a deficient number, since it is larger than the sum of its proper divisors (209378302628).

230131223212 is a wasteful number, since it uses less digits than its factorization.

230131223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001201 (or 2001199 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 230131223212 its reverse (212322131032), we get a palindrome (442453354244).

The spelling of 230131223212 in words is "two hundred thirty billion, one hundred thirty-one million, two hundred twenty-three thousand, two hundred twelve".