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212131012021022 = 2176239147412383
BaseRepresentation
bin110000001110111010011001…
…100111100000101100011110
31000211002112012221221101211202
4300032322121213200230132
5210301023303034133042
62031055350325515502
762452650142203143
oct6016723147405436
91024075187841752
10212131012021022
1161656291050696
121b9604b2872b92
139149b3a40bba3
143a552a52683ca
15197d033acb632
hexc0ee999e0b1e

212131012021022 has 8 divisors (see below), whose sum is σ = 336913960268736. Its totient is φ = 99826358598112.

The previous prime is 212131012021021. The next prime is 212131012021043. The reversal of 212131012021022 is 220120210131212.

212131012021022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2121310120210222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212131012020985 and 212131012021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212131012021021) 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, 3119573706158 + ... + 3119573706225.

It is an arithmetic number, because the mean of its divisors is an integer number (42114245033592).

Almost surely, 2212131012021022 is an apocalyptic number.

212131012021022 is a deficient number, since it is larger than the sum of its proper divisors (124782948247714).

212131012021022 is a wasteful number, since it uses less digits than its factorization.

212131012021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239147412402.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212131012021022 its reverse (220120210131212), we get a palindrome (432251222152234).

The spelling of 212131012021022 in words is "two hundred twelve trillion, one hundred thirty-one billion, twelve million, twenty-one thousand, twenty-two".

Divisors: 1 2 17 34 6239147412383 12478294824766 106065506010511 212131012021022