130221020331212 has 12 divisors (see below), whose sum is σ = 227967112277520. Its totient is φ = 65087559680496.

The previous prime is 130221020331197. The next prime is 130221020331217. The reversal of 130221020331212 is 212133020122031.

It is a super-2 number, since 2×130221020331212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130221020331217) 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, 5737608512 + ... + 5737631207.

It is an arithmetic number, because the mean of its divisors is an integer number (18997259356460).

Almost surely, 2^{130221020331212} is an apocalyptic number.

It is an amenable number.

130221020331212 is a deficient number, since it is larger than the sum of its proper divisors (97746091946308).

130221020331212 is a wasteful number, since it uses less digits than its factorization.

130221020331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11475242560 (or 11475242558 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 130221020331212 its reverse (212133020122031), we get a palindrome (342354040453243).

The spelling of 130221020331212 in words is "one hundred thirty trillion, two hundred twenty-one billion, twenty million, three hundred thirty-one thousand, two hundred twelve".