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122000020121021 = 750136734762109
BaseRepresentation
bin11011101111010101010111…
…110111001010010110111101
3120222222002101011111010202112
4123233111113313022112331
5111442322020122333041
61111250011401103405
734461132141544130
oct3357252767122675
9528862334433675
10122000020121021
1135966a10908239
1211824507a87b65
13530c724bb7573
14221ab9247a217
15e187792a9deb
hex6ef557dca5bd

122000020121021 has 8 divisors (see below), whose sum is σ = 139428876531840. Its totient is φ = 104571234237168.

The previous prime is 122000020120987. The next prime is 122000020121027. The reversal of 122000020121021 is 120121020000221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122000020121021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122000020120987 and 122000020121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000020121027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13871486 + ... + 20890623.

It is an arithmetic number, because the mean of its divisors is an integer number (17428609566480).

Almost surely, 2122000020121021 is an apocalyptic number.

It is an amenable number.

122000020121021 is a deficient number, since it is larger than the sum of its proper divisors (17428856410819).

122000020121021 is an equidigital number, since it uses as much as digits as its factorization.

122000020121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35263483.

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

Adding to 122000020121021 its reverse (120121020000221), we get a palindrome (242121040121242).

The spelling of 122000020121021 in words is "one hundred twenty-two trillion, twenty million, one hundred twenty-one thousand, twenty-one".

Divisors: 1 7 501367 3509569 34762109 243334763 17428574303003 122000020121021