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12101100122023 = 111798761160839
BaseRepresentation
bin1011000000011000000111…
…0001100010111110100111
31120211212001110210102202021
42300012001301202332213
53041231023112401043
641423100232324011
72356163353612603
oct260060161427647
946755043712667
1012101100122023
1139460585a8960
121435335b43607
1369a18a0c36b3
142db9a6bb0503
1515eb9da173ed
hexb0181c62fa7

12101100122023 has 8 divisors (see below), whose sum is σ = 13201934279040. Its totient is φ = 11000388322680.

The previous prime is 12101100122017. The next prime is 12101100122047. The reversal of 12101100122023 is 32022100110121.

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 12101100122023 - 29 = 12101100121511 is a prime.

It is a super-2 number, since 2×121011001220232 (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 = 12101100121988 and 12101100122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101100122093) 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, 30382563 + ... + 30778276.

It is an arithmetic number, because the mean of its divisors is an integer number (1650241784880).

Almost surely, 212101100122023 is an apocalyptic number.

12101100122023 is a deficient number, since it is larger than the sum of its proper divisors (1100834157017).

12101100122023 is a wasteful number, since it uses less digits than its factorization.

12101100122023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61178837.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12101100122023 its reverse (32022100110121), we get a palindrome (44123200232144).

The spelling of 12101100122023 in words is "twelve trillion, one hundred one billion, one hundred million, one hundred twenty-two thousand, twenty-three".

Divisors: 1 11 17987 197857 61160839 672769229 1100100011093 12101100122023