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102122120212001 = 369745496072317
BaseRepresentation
bin10111001110000100101000…
…101100101110111000100001
3111101120210001010212220211122
4113032010220230232320201
5101341132100233241001
61001110130535422025
730340036224260651
oct2716045054567041
9441523033786748
10102122120212001
112a5a28255a57aa
12b553b4b524915
1344ca0c7c0b296
141b30a46436361
15bc166d95db1b
hex5ce128b2ee21

102122120212001 has 8 divisors (see below), whose sum is σ = 102172215436200. Its totient is φ = 102072037148928.

The previous prime is 102122120211959. The next prime is 102122120212003. The reversal of 102122120212001 is 100212021221201.

It can be written as a sum of positive squares in 4 ways, for example, as 27479864031376 + 74642256180625 = 5242124^2 + 8639575^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102122120212001 - 222 = 102122116017697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102122120212003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13781495 + ... + 19853811.

It is an arithmetic number, because the mean of its divisors is an integer number (12771526929525).

Almost surely, 2102122120212001 is an apocalyptic number.

It is an amenable number.

102122120212001 is a deficient number, since it is larger than the sum of its proper divisors (50095224199).

102122120212001 is an equidigital number, since it uses as much as digits as its factorization.

102122120212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102122120212001 its reverse (100212021221201), we get a palindrome (202334141433202).

The spelling of 102122120212001 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred twelve thousand, one".

Divisors: 1 3697 4549 6072317 16817653 22449355949 27622970033 102122120212001