Search a number
-
+
12202200122021 = 713294623796939
BaseRepresentation
bin1011000110010000101111…
…0011011100001010100101
31121012112000022021120022122
42301210023303130022211
53044410101212401041
641541340252235325
72366402615464310
oct261441363341245
947175008246278
1012202200122021
113984a18949268
121450a5016bb45
136a687c783ac0
14302837d6d977
151626195d7c4b
hexb190bcdc2a5

12202200122021 has 16 divisors (see below), whose sum is σ = 15535957718400. Its totient is φ = 9321574627008.

The previous prime is 12202200122009. The next prime is 12202200122029. The reversal of 12202200122021 is 12022100220221.

It is a happy number.

It is not a de Polignac number, because 12202200122021 - 218 = 12202199859877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202200122029) 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, 2311895831 + ... + 2311901108.

It is an arithmetic number, because the mean of its divisors is an integer number (970997357400).

Almost surely, 212202200122021 is an apocalyptic number.

It is an amenable number.

12202200122021 is a deficient number, since it is larger than the sum of its proper divisors (3333757596379).

12202200122021 is a wasteful number, since it uses less digits than its factorization.

12202200122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623796988.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12202200122021 its reverse (12022100220221), we get a palindrome (24224300342242).

The spelling of 12202200122021 in words is "twelve trillion, two hundred two billion, two hundred million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 7 13 29 91 203 377 2639 4623796939 32366578573 60109360207 134090111231 420765521449 938630778617 1743171446003 12202200122021