12121211211332 has 48 divisors (see below), whose sum is σ = 22761346728960. Its totient is φ = 5627648212992.

The previous prime is 12121211211289. The next prime is 12121211211359. The reversal of 12121211211332 is 23311211212121.

It is a super-2 number, since 2×12121211211332² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12121211211298 and 12121211211307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6278468 + ... + 7978820.

It is an arithmetic number, because the mean of its divisors is an integer number (474194723520).

Almost surely, 2^{12121211211332} is an apocalyptic number.

It is an amenable number.

12121211211332 is a deficient number, since it is larger than the sum of its proper divisors (10640135517628).

12121211211332 is a wasteful number, since it uses less digits than its factorization.

12121211211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701780 (or 1701778 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

Adding to 12121211211332 its reverse (23311211212121), we get a palindrome (35432422423453).

The spelling of 12121211211332 in words is "twelve trillion, one hundred twenty-one billion, two hundred eleven million, two hundred eleven thousand, three hundred thirty-two".