12212031212132 has 6 divisors (see below), whose sum is σ = 21371054621238. Its totient is φ = 6106015606064.

The previous prime is 12212031212119. The next prime is 12212031212159. The reversal of 12212031212132 is 23121213021221.

It can be written as a sum of positive squares in only one way, i.e., 11711890885696 + 500140326436 = 3422264^2 + 707206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12212031212098 and 12212031212107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526503901513 + ... + 1526503901520.

It is an arithmetic number, because the mean of its divisors is an integer number (3561842436873).

Almost surely, 2^{12212031212132} is an apocalyptic number.

It is an amenable number.

12212031212132 is a deficient number, since it is larger than the sum of its proper divisors (9159023409106).

12212031212132 is a wasteful number, since it uses less digits than its factorization.

12212031212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053007803037 (or 3053007803035 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12212031212132 its reverse (23121213021221), we get a palindrome (35333244233353).

The spelling of 12212031212132 in words is "twelve trillion, two hundred twelve billion, thirty-one million, two hundred twelve thousand, one hundred thirty-two".