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12022101020 = 2251951308101
BaseRepresentation
bin10110011001001001…
…01011010000011100
31011000211201000020202
423030210223100130
5144110124213040
65304535203032
7603630113126
oct131444532034
934024630222
1012022101020
11510a187486
1223b6216478
131197902357
14820932216
154a5689015
hex2cc92b41c

12022101020 has 24 divisors (see below), whose sum is σ = 25259434368. Its totient is φ = 4806360000.

The previous prime is 12022101017. The next prime is 12022101029. The reversal of 12022101020 is 2010122021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12022100992 and 12022101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022101029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115031 + ... + 193070.

It is an arithmetic number, because the mean of its divisors is an integer number (1052476432).

Almost surely, 212022101020 is an apocalyptic number.

12022101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022101020 is an abundant number, since it is smaller than the sum of its proper divisors (13237333348).

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

12022101020 is a wasteful number, since it uses less digits than its factorization.

12022101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310061 (or 310059 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12022101020 its reverse (2010122021), we get a palindrome (14032223041).

The spelling of 12022101020 in words is "twelve billion, twenty-two million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 1951 3902 7804 9755 19510 39020 308101 616202 1232404 1540505 3081010 6162020 601105051 1202210102 2404420204 3005525255 6011050510 12022101020