Search a number
-
+
12202010020121 = 88031386119507
BaseRepresentation
bin1011000110010000000001…
…1110010000100100011001
31121012111112001120101112112
42301210000132100210121
53044404204031120441
641541305341522105
72366365116603335
oct261440036204431
947174461511475
1012202010020121
113984930606959
1214509b8573335
136a684c283b7c
1430281aa067c5
15162607a864eb
hexb1900790919

12202010020121 has 4 divisors (see below), whose sum is σ = 12203396148432. Its totient is φ = 12200623891812.

The previous prime is 12202010020069. The next prime is 12202010020139. The reversal of 12202010020121 is 12102001020221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12202010020121 is a prime.

It is a super-2 number, since 2×122020100201212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12202010020096 and 12202010020105.

It is not an unprimeable number, because it can be changed into a prime (12202010026121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693050951 + ... + 693068556.

It is an arithmetic number, because the mean of its divisors is an integer number (3050849037108).

Almost surely, 212202010020121 is an apocalyptic number.

It is an amenable number.

12202010020121 is a deficient number, since it is larger than the sum of its proper divisors (1386128311).

12202010020121 is an equidigital number, since it uses as much as digits as its factorization.

12202010020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386128310.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12202010020121 its reverse (12102001020221), we get a palindrome (24304011040342).

It can be divided in two parts, 122020100 and 20121, that added together give a palindrome (122040221).

The spelling of 12202010020121 in words is "twelve trillion, two hundred two billion, ten million, twenty thousand, one hundred twenty-one".

Divisors: 1 8803 1386119507 12202010020121