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10222020012 = 2235407157543
BaseRepresentation
bin10011000010100011…
…11010010110101100
3222101101112102022210
421201101322112230
5131413314120022
64410153210420
7511211510421
oct114121722654
928341472283
1010222020012
114376077a26
121b93400a10
13c6b9b4469
146cd837d48
153ec616a0c
hex26147a5ac

10222020012 has 24 divisors (see below), whose sum is σ = 23855942656. Its totient is φ = 3406688208.

The previous prime is 10222019999. The next prime is 10222020013. The reversal of 10222020012 is 21002022201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10222020012.

It is not an unprimeable number, because it can be changed into a prime (10222020013) 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, 13888 + ... + 143655.

Almost surely, 210222020012 is an apocalyptic number.

10222020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10222020012 is an abundant number, since it is smaller than the sum of its proper divisors (13633922644).

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

10222020012 is a wasteful number, since it uses less digits than its factorization.

10222020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162957 (or 162955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10222020012 its reverse (21002022201), we get a palindrome (31224042213).

The spelling of 10222020012 in words is "ten billion, two hundred twenty-two million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 5407 10814 16221 21628 32442 64884 157543 315086 472629 630172 945258 1890516 851835001 1703670002 2555505003 3407340004 5111010006 10222020012