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12220221101202 = 233964323467841
BaseRepresentation
bin1011000111010011110111…
…1100000001010010010010
31121021020112012221011101000
42301310331330001102102
53100204003100214302
641553520404322430
72400611320334232
oct261647574012222
947236465834330
1012220221101202
11399162625a694
12145443b3a3416
136a849214b3aa
1430366749bcc2
15162d2173731c
hexb1d3df01492

12220221101202 has 32 divisors (see below), whose sum is σ = 27158864189760. Its totient is φ = 4072984439040.

The previous prime is 12220221100973. The next prime is 12220221101203. The reversal of 12220221101202 is 20210112202221.

It is a happy number.

12220221101202 is a `hidden beast` number, since 12 + 220 + 221 + 10 + 1 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12220221101203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11213199 + ... + 12254642.

It is an arithmetic number, because the mean of its divisors is an integer number (848714505930).

Almost surely, 212220221101202 is an apocalyptic number.

12220221101202 is an abundant number, since it is smaller than the sum of its proper divisors (14938643088558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220221101202 is a wasteful number, since it uses less digits than its factorization.

12220221101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23477495 (or 23477489 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220221101202 its reverse (20210112202221), we get a palindrome (32430333303423).

The spelling of 12220221101202 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 9643 19286 28929 57858 86787 173574 260361 520722 23467841 46935682 70403523 140807046 211210569 422421138 633631707 1267263414 226300390763 452600781526 678901172289 1357802344578 2036703516867 4073407033734 6110110550601 12220221101202