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12221011011203 = 175903121782653
BaseRepresentation
bin1011000111010110110100…
…0001010010011010000011
31121021022120021021202011222
42301311231001102122003
53100212112304324303
641554131023025255
72400640021424651
oct261655501223203
947238507252158
1012221011011203
1139919a1129775
12145461ba3b22b
136a85899aa767
1430370035bdd1
15162d6ac69938
hexb1d6d052683

12221011011203 has 8 divisors (see below), whose sum is σ = 12942086205888. Its totient is φ = 11500179393664.

The previous prime is 12221011011197. The next prime is 12221011011211. The reversal of 12221011011203 is 30211011012221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12221011011203 is a prime.

It is a super-2 number, since 2×122210110112032 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221013011203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60790976 + ... + 60991677.

It is an arithmetic number, because the mean of its divisors is an integer number (1617760775736).

Almost surely, 212221011011203 is an apocalyptic number.

12221011011203 is a deficient number, since it is larger than the sum of its proper divisors (721075194685).

12221011011203 is a wasteful number, since it uses less digits than its factorization.

12221011011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121788573.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12221011011203 its reverse (30211011012221), we get a palindrome (42432022023424).

The spelling of 12221011011203 in words is "twelve trillion, two hundred twenty-one billion, eleven million, eleven thousand, two hundred three".

Divisors: 1 17 5903 100351 121782653 2070305101 718883000659 12221011011203