1302011232122 has 4 divisors (see below), whose sum is σ = 1953016848186. Its totient is φ = 651005616060.

The previous prime is 1302011232103. The next prime is 1302011232149. The reversal of 1302011232122 is 2212321102031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 775299621121 + 526711611001 = 880511^2 + 725749^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1302011232094 and 1302011232103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325502808029 + ... + 325502808032.

Almost surely, 2^{1302011232122} is an apocalyptic number.

1302011232122 is a deficient number, since it is larger than the sum of its proper divisors (651005616064).

1302011232122 is an equidigital number, since it uses as much as digits as its factorization.

1302011232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651005616063.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1302011232122 its reverse (2212321102031), we get a palindrome (3514332334153).

The spelling of 1302011232122 in words is "one trillion, three hundred two billion, eleven million, two hundred thirty-two thousand, one hundred twenty-two".