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2010122012021 = 13914461309439
BaseRepresentation
bin11101010000000100100…
…110111100010101110101
321010011110212012100010012
4131100010212330111311
5230413212213341041
64135234242510005
7265140461121134
oct35200446742565
97104425170105
102010122012021
11705540521282
122856a9965305
131177276014b6
146d40ccd391b
153744b93c3eb
hex1d4049bc575

2010122012021 has 4 divisors (see below), whose sum is σ = 2024583321600. Its totient is φ = 1995660702444.

The previous prime is 2010122011999. The next prime is 2010122012023. The reversal of 2010122012021 is 1202102210102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2010122012021 - 230 = 2009048270197 is a prime.

It is a super-2 number, since 2×20101220120212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010122011987 and 2010122012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010122012023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7230654581 + ... + 7230654858.

It is an arithmetic number, because the mean of its divisors is an integer number (506145830400).

Almost surely, 22010122012021 is an apocalyptic number.

It is an amenable number.

2010122012021 is a deficient number, since it is larger than the sum of its proper divisors (14461309579).

2010122012021 is a wasteful number, since it uses less digits than its factorization.

2010122012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461309578.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2010122012021 its reverse (1202102210102), we get a palindrome (3212224222123).

The spelling of 2010122012021 in words is "two trillion, ten billion, one hundred twenty-two million, twelve thousand, twenty-one".

Divisors: 1 139 14461309439 2010122012021