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102020110212 = 22337773297251
BaseRepresentation
bin101111100000011011…
…1110101011110000100
3100202022221211120111110
41133000313311132010
53132414122011322
6114511205005020
710241103425436
oct1370067653604
9322287746443
10102020110212
113a2a2768879
12179323b3770
13980b1a8427
144d1b472656
1529c1770c0c
hex17c0df5784

102020110212 has 48 divisors (see below), whose sum is σ = 244797723072. Its totient is φ = 33044688000.

The previous prime is 102020110147. The next prime is 102020110217. The reversal of 102020110212 is 212011020201.

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 (102020110217) 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, 194587 + ... + 491837.

It is an arithmetic number, because the mean of its divisors is an integer number (5099952564).

Almost surely, 2102020110212 is an apocalyptic number.

102020110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102020110212 is an abundant number, since it is smaller than the sum of its proper divisors (142777612860).

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

102020110212 is a wasteful number, since it uses less digits than its factorization.

102020110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298068 (or 298066 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102020110212 its reverse (212011020201), we get a palindrome (314031130413).

The spelling of 102020110212 in words is "one hundred two billion, twenty million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 773 1546 2319 3092 4638 9276 28601 57202 85803 114404 171606 297251 343212 594502 891753 1189004 1783506 3567012 10998287 21996574 32994861 43993148 65989722 131979444 229775023 459550046 689325069 919100092 1378650138 2757300276 8501675851 17003351702 25505027553 34006703404 51010055106 102020110212