1203606271221 has 8 divisors (see below), whose sum is σ = 1619531374560. Its totient is φ = 795042674352.

The previous prime is 1203606271187. The next prime is 1203606271303. The reversal of 1203606271221 is 1221726063021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1203606271221 - 2²² = 1203602076917 is a prime.

It is a super-2 number, since 2×1203606271221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203606272221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840376235 + ... + 1840376888.

It is an arithmetic number, because the mean of its divisors is an integer number (202441421820).

Almost surely, 2^{1203606271221} is an apocalyptic number.

It is an amenable number.

1203606271221 is a deficient number, since it is larger than the sum of its proper divisors (415925103339).

1203606271221 is a wasteful number, since it uses less digits than its factorization.

1203606271221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680753235.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 1203606271221 in words is "one trillion, two hundred three billion, six hundred six million, two hundred seventy-one thousand, two hundred twenty-one".