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101210122212 = 223311671629163
BaseRepresentation
bin101111001000010010…
…1111110011111100100
3100200020111200220211220
41132100211332133210
53124234242402322
6114254552100340
710212036562413
oct1362045763744
9320214626756
10101210122212
1139a17525901
12177470946b0
13970c4392a4
144c81a6747a
1529755c455c
hex179097e7e4

101210122212 has 48 divisors (see below), whose sum is σ = 245234798592. Its totient is φ = 32452907040.

The previous prime is 101210122207. The next prime is 101210122249. The reversal of 101210122212 is 212221012101.

It is a junction number, because it is equal to n+sod(n) for n = 101210122191 and 101210122200.

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, 752458 + ... + 876705.

It is an arithmetic number, because the mean of its divisors is an integer number (5109058304).

Almost surely, 2101210122212 is an apocalyptic number.

101210122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101210122212 is an abundant number, since it is smaller than the sum of its proper divisors (144024676380).

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

101210122212 is a wasteful number, since it uses less digits than its factorization.

101210122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629368 (or 1629366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101210122212 its reverse (212221012101), we get a palindrome (313431134313).

The spelling of 101210122212 in words is "one hundred one billion, two hundred ten million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 167 186 334 372 501 668 1002 2004 5177 10354 15531 20708 31062 62124 1629163 3258326 4887489 6516652 9774978 19549956 50504053 101008106 151512159 202016212 272070221 303024318 544140442 606048636 816210663 1088280884 1632421326 3264842652 8434176851 16868353702 25302530553 33736707404 50605061106 101210122212