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122000122220231 = 1071140188058133
BaseRepresentation
bin11011101111010101011101…
…111100101000111011000111
3120222222002122021121022112202
4123233111131330220323013
5111442322222242021411
61111250025445305115
734461134521431353
oct3357253574507307
9528862567538482
10122000122220231
1135966a63502952
121182453610519b
13530c7400b46b8
14221aba1c56463
15e1878322683b
hex6ef55df28ec7

122000122220231 has 4 divisors (see below), whose sum is σ = 123140310278472. Its totient is φ = 120859934161992.

The previous prime is 122000122220183. The next prime is 122000122220261. The reversal of 122000122220231 is 132022221000221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122000122220231 - 214 = 122000122203847 is a prime.

It is a super-2 number, since 2×1220001222202312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000122220261) 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, 570094028960 + ... + 570094029173.

It is an arithmetic number, because the mean of its divisors is an integer number (30785077569618).

Almost surely, 2122000122220231 is an apocalyptic number.

122000122220231 is a deficient number, since it is larger than the sum of its proper divisors (1140188058241).

122000122220231 is a wasteful number, since it uses less digits than its factorization.

122000122220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140188058240.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122000122220231 its reverse (132022221000221), we get a palindrome (254022343220452).

The spelling of 122000122220231 in words is "one hundred twenty-two trillion, one hundred twenty-two million, two hundred twenty thousand, two hundred thirty-one".

Divisors: 1 107 1140188058133 122000122220231