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1210002000312 = 233711516257509
BaseRepresentation
bin10001100110111001101…
…111010100100110111000
311021200020010020101000110
4101212321233110212320
5124311041003002222
62323511154104320
7153263656205550
oct21467157244670
94250203211013
101210002000312
11427182647a56
1217660b27b0a0
138a1448257a1
14427c8a4c160
152171cd4130c
hex119b9bd49b8

1210002000312 has 64 divisors (see below), whose sum is σ = 3460152729600. Its totient is φ = 345414441600.

The previous prime is 1210002000307. The next prime is 1210002000331. The reversal of 1210002000312 is 2130002000121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935387 + ... + 3322122.

It is an arithmetic number, because the mean of its divisors is an integer number (54064886400).

Almost surely, 21210002000312 is an apocalyptic number.

1210002000312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210002000312 is an abundant number, since it is smaller than the sum of its proper divisors (2250150729288).

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

1210002000312 is a wasteful number, since it uses less digits than its factorization.

1210002000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6258676 (or 6258672 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1210002000312 its reverse (2130002000121), we get a palindrome (3340004000433).

The spelling of 1210002000312 in words is "one trillion, two hundred ten billion, two million, three hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1151 2302 3453 4604 6906 8057 9208 13812 16114 24171 27624 32228 48342 64456 96684 193368 6257509 12515018 18772527 25030036 37545054 43802563 50060072 75090108 87605126 131407689 150180216 175210252 262815378 350420504 525630756 1051261512 7202392859 14404785718 21607178577 28809571436 43214357154 50416750013 57619142872 86428714308 100833500026 151250250039 172857428616 201667000052 302500500078 403334000104 605001000156 1210002000312