1302212312132 has 12 divisors (see below), whose sum is σ = 2278882880316. Its totient is φ = 651102917760.

The previous prime is 1302212312113. The next prime is 1302212312171. The reversal of 1302212312132 is 2312132122031.

It can be written as a sum of positive squares in 2 ways, for example, as 799908429376 + 502303882756 = 894376^2 + 708734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1302212312098 and 1302212312107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249008 + ... + 1632920.

It is an arithmetic number, because the mean of its divisors is an integer number (189906906693).

Almost surely, 2^{1302212312132} is an apocalyptic number.

It is an amenable number.

1302212312132 is a deficient number, since it is larger than the sum of its proper divisors (976670568184).

1302212312132 is a wasteful number, since it uses less digits than its factorization.

1302212312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619158 (or 1619156 counting only the distinct ones).

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

Adding to 1302212312132 its reverse (2312132122031), we get a palindrome (3614344434163).

The spelling of 1302212312132 in words is "one trillion, three hundred two billion, two hundred twelve million, three hundred twelve thousand, one hundred thirty-two".