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101112010212 = 223191014390829
BaseRepresentation
bin101111000101010111…
…1101101010111100100
3100122222200002022111010
41132022233231113210
53124034133311322
6114241125142220
710206435622533
oct1361257552744
9318880068433
10101112010212
1139977103904
121771a25a970
1396c5006c55
144c72a0831a
15296bb9420c
hex178abed5e4

101112010212 has 48 divisors (see below), whose sum is σ = 250804209600. Its totient is φ = 31613961600.

The previous prime is 101112010187. The next prime is 101112010229. The reversal of 101112010212 is 212010211101.

It is a super-2 number, since 2×1011120102122 (a number of 23 digits) contains 22 as substring.

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

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, 2172387 + ... + 2218442.

It is an arithmetic number, because the mean of its divisors is an integer number (5225087700).

Almost surely, 2101112010212 is an apocalyptic number.

101112010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101112010212 is an abundant number, since it is smaller than the sum of its proper divisors (149692199388).

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

101112010212 is a wasteful number, since it uses less digits than its factorization.

101112010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390956 (or 4390954 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101112010212 its reverse (212010211101), we get a palindrome (313122221313).

The spelling of 101112010212 in words is "one hundred one billion, one hundred twelve million, ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 101 114 202 228 303 404 606 1212 1919 3838 5757 7676 11514 23028 4390829 8781658 13172487 17563316 26344974 52689948 83425751 166851502 250277253 333703004 443473729 500554506 886947458 1001109012 1330421187 1773894916 2660842374 5321684748 8426000851 16852001702 25278002553 33704003404 50556005106 101112010212