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121013132013123 = 3719893407764693
BaseRepresentation
bin11011100000111110010000…
…101111110010111001000011
3120212110202001020101211211220
4123200332100233302321003
5111330134343243404443
61105212355420010123
734326624136204560
oct3340762057627103
9525422036354756
10121013132013123
1135616421240a09
12116a51a5090943
13526a64923907c
1421c50d15a7867
15decc68be8a83
hex6e0f90bf2e43

121013132013123 has 32 divisors (see below), whose sum is σ = 196287246374400. Its totient is φ = 64774791265536.

The previous prime is 121013132013029. The next prime is 121013132013197. The reversal of 121013132013123 is 321310231310121.

It is not a de Polignac number, because 121013132013123 - 212 = 121013132009027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121013132013093 and 121013132013102.

It is not an unprimeable number, because it can be changed into a prime (121013132013623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1703846836 + ... + 1703917857.

It is an arithmetic number, because the mean of its divisors is an integer number (6133976449200).

Almost surely, 2121013132013123 is an apocalyptic number.

121013132013123 is a deficient number, since it is larger than the sum of its proper divisors (75274114361277).

121013132013123 is a wasteful number, since it uses less digits than its factorization.

121013132013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407764811.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 121013132013123 its reverse (321310231310121), we get a palindrome (442323363323244).

The spelling of 121013132013123 in words is "one hundred twenty-one trillion, thirteen billion, one hundred thirty-two million, thirteen thousand, one hundred twenty-three".

Divisors: 1 3 7 19 21 57 89 133 267 399 623 1691 1869 5073 11837 35511 3407764693 10223294079 23854352851 64747529167 71563058553 194242587501 303291057677 453232704169 909873173031 1359698112507 2123037403739 5762530095863 6369112211217 17287590287589 40337710671041 121013132013123