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1000010131212 = 223971814746493
BaseRepresentation
bin11101000110101010011…
…11111010011100001100
310112121012102111010220010
432203111033322130030
5112341010043144322
62043222011353220
7132151116603051
oct16432517723414
93477172433803
101000010131212
113561137156a4
12141985452810
13733ba405041
1436587923028
151b02c5b820c
hexe8d53fa70c

1000010131212 has 48 divisors (see below), whose sum is σ = 2370437075552. Its totient is φ = 328077527040.

The previous prime is 1000010131207. The next prime is 1000010131213. The reversal of 1000010131212 is 2121310100001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1000010131213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2162563 + ... + 2583930.

Almost surely, 21000010131212 is an apocalyptic number.

1000010131212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000010131212 is an abundant number, since it is smaller than the sum of its proper divisors (1370426944340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000010131212 is a wasteful number, since it uses less digits than its factorization.

1000010131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746778 (or 4746776 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1000010131212 its reverse (2121310100001), we get a palindrome (3121320231213).

The spelling of 1000010131212 in words is "one trillion, ten million, one hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 97 181 194 291 362 388 543 582 724 1086 1164 2172 17557 35114 52671 70228 105342 210684 4746493 9492986 14239479 18985972 28478958 56957916 460409821 859115233 920819642 1381229463 1718230466 1841639284 2577345699 2762458926 3436460932 5154691398 5524917852 10309382796 83334177601 166668355202 250002532803 333336710404 500005065606 1000010131212