162002012001221 has 12 divisors (see below), whose sum is σ = 188473790016288. Its totient is φ = 138842310636792.

The previous prime is 162002012001133. The next prime is 162002012001329. The reversal of 162002012001221 is 122100210200261.

It is a de Polignac number, because none of the positive numbers 2^k-162002012001221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 162002012001193 and 162002012001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162002012001521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196689521 + ... + 197511446.

It is an arithmetic number, because the mean of its divisors is an integer number (15706149168024).

Almost surely, 2^{162002012001221} is an apocalyptic number.

It is an amenable number.

162002012001221 is a deficient number, since it is larger than the sum of its proper divisors (26471778015067).

162002012001221 is an equidigital number, since it uses as much as digits as its factorization.

162002012001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394209368 (or 394209361 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 162002012001221 its reverse (122100210200261), we get a palindrome (284102222201482).

The spelling of 162002012001221 in words is "one hundred sixty-two trillion, two billion, twelve million, one thousand, two hundred twenty-one".