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121131132321112 = 23141776910679731
BaseRepresentation
bin11011100010101100001010…
…000111001111110101011000
3120212220000121212210120121021
4123202230022013033311120
5111334103024333233422
61105342512440052224
734341302244240244
oct3342541207176530
9525800555716537
10121131132321112
1135661474349901
1211704037164074
135278803056314
1421caac70d5424
15e00d7334cdc7
hex6e2b0a1cfd58

121131132321112 has 16 divisors (see below), whose sum is σ = 227121054564600. Its totient is φ = 60565517770560.

The previous prime is 121131132321047. The next prime is 121131132321113. The reversal of 121131132321112 is 211123231131121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121131132321113) 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, 6002287 + ... + 16682017.

Almost surely, 2121131132321112 is an apocalyptic number.

It is an amenable number.

121131132321112 is a deficient number, since it is larger than the sum of its proper divisors (105989922243488).

121131132321112 is a wasteful number, since it uses less digits than its factorization.

121131132321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12097506 (or 12097502 counting only the distinct ones).

The product of its digits is 432, while the sum is 25.

Adding to 121131132321112 its reverse (211123231131121), we get a palindrome (332254363452233).

The spelling of 121131132321112 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, one hundred thirty-two million, three hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 1417769 2835538 5671076 10679731 11342152 21359462 42718924 85437848 15141391540139 30282783080278 60565566160556 121131132321112