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101012222212 = 2211191013533389
BaseRepresentation
bin101111000010011001…
…1000011000100000100
3100122201201022120002021
41132010303003010010
53123333112102322
6114223202252524
710204114502446
oct1360463030404
9318651276067
10101012222212
1139925847690
12176b0957144
1396aa438ab5
144c63670496
1529630324c7
hex1784cc3104

101012222212 has 96 divisors (see below), whose sum is σ = 205642281600. Its totient is φ = 42932736000.

The previous prime is 101012222189. The next prime is 101012222219. The reversal of 101012222212 is 212222210101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101012222219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29804214 + ... + 29807602.

It is an arithmetic number, because the mean of its divisors is an integer number (2142107100).

Almost surely, 2101012222212 is an apocalyptic number.

It is an amenable number.

101012222212 is an abundant number, since it is smaller than the sum of its proper divisors (104630059388).

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

101012222212 is a wasteful number, since it uses less digits than its factorization.

101012222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877 (or 3875 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101012222212 its reverse (212222210101), we get a palindrome (313234432313).

The spelling of 101012222212 in words is "one hundred one billion, twelve million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 11 19 22 38 44 76 101 202 209 353 404 418 706 836 1111 1412 1919 2222 3389 3838 3883 4444 6707 6778 7676 7766 13414 13556 15532 21109 26828 35653 37279 42218 64391 71306 73777 74558 84436 128782 142612 147554 149116 257564 295108 342289 392183 677407 684578 708301 784366 1196317 1354814 1369156 1416602 1568732 2392634 2709628 2833204 3765179 4785268 6503491 7451477 7530358 13006982 13159487 14902954 15060716 22730023 26013964 26318974 29805908 45460046 52637948 71538401 90920092 120828017 143076802 241656034 250030253 286153604 483312068 500060506 1000121012 1329108187 2295732323 2658216374 4591464646 5316432748 9182929292 25253055553 50506111106 101012222212