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122000002212021 = 340666667404007
BaseRepresentation
bin11011101111010101010110…
…110010110110000010110101
3120222222002022220210021020020
4123233111112302312002311
5111442322001031241041
61111250005521155353
734461131533404243
oct3357252662660265
9528862286707206
10122000002212021
1135966a01795a0a
1211824501a8bb59
13530c721286b1b
14221ab8dd37793
15e1877791d866
hex6ef556cb60b5

122000002212021 has 4 divisors (see below), whose sum is σ = 162666669616032. Its totient is φ = 81333334808012.

The previous prime is 122000002212007. The next prime is 122000002212059. The reversal of 122000002212021 is 120212200000221.

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 not a de Polignac number, because 122000002212021 - 210 = 122000002210997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000002214021) 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, 20333333702001 + ... + 20333333702006.

It is an arithmetic number, because the mean of its divisors is an integer number (40666667404008).

Almost surely, 2122000002212021 is an apocalyptic number.

It is an amenable number.

122000002212021 is a deficient number, since it is larger than the sum of its proper divisors (40666667404011).

122000002212021 is an equidigital number, since it uses as much as digits as its factorization.

122000002212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40666667404010.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122000002212021 its reverse (120212200000221), we get a palindrome (242212202212242).

The spelling of 122000002212021 in words is "one hundred twenty-two trillion, two million, two hundred twelve thousand, twenty-one".

Divisors: 1 3 40666667404007 122000002212021