1302121232212 has 6 divisors (see below), whose sum is σ = 2278712156378. Its totient is φ = 651060616104.

The previous prime is 1302121232161. The next prime is 1302121232221. The reversal of 1302121232212 is 2122321212031.

It can be written as a sum of positive squares in only one way, i.e., 988167212356 + 313954019856 = 994066^2 + 560316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162765154023 + ... + 162765154030.

Almost surely, 2^{1302121232212} is an apocalyptic number.

It is an amenable number.

1302121232212 is a deficient number, since it is larger than the sum of its proper divisors (976590924166).

1302121232212 is a wasteful number, since it uses less digits than its factorization.

1302121232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325530308057 (or 325530308055 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1302121232212 its reverse (2122321212031), we get a palindrome (3424442444243).

The spelling of 1302121232212 in words is "one trillion, three hundred two billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred twelve".