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20212122010002 = 2313981012641459
BaseRepresentation
bin1001001100010000000000…
…10110100100000110010010
32122120021000112110002202120
410212020000112210012102
510122123411213310002
6110553153132555110
74154164140244626
oct446100026440622
978507015402676
1020212122010002
116492a04a4481a
1223252b2922a96
13b37cc1b164a0
144dc3b423b186
15250b6c62bcbc
hex1262005a4192

20212122010002 has 32 divisors (see below), whose sum is σ = 43534261498560. Its totient is φ = 6219048715200.

The previous prime is 20212122009983. The next prime is 20212122010021. The reversal of 20212122010002 is 20001022121202.

It is an interprime number because it is at equal distance from previous prime (20212122009983) and next prime (20212122010021).

It is a super-2 number, since 2×202121220100022 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6331149 + ... + 8972607.

It is an arithmetic number, because the mean of its divisors is an integer number (1360445671830).

Almost surely, 220212122010002 is an apocalyptic number.

20212122010002 is an abundant number, since it is smaller than the sum of its proper divisors (23322139488558).

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

20212122010002 is a wasteful number, since it uses less digits than its factorization.

20212122010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739578.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20212122010002 its reverse (20001022121202), we get a palindrome (40213144131204).

The spelling of 20212122010002 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, ten thousand, two".

Divisors: 1 2 3 6 13 26 39 78 98101 196202 294303 588606 1275313 2550626 2641459 3825939 5282918 7651878 7924377 15848754 34338967 68677934 103016901 206033802 259129769359 518259538718 777389308077 1554778616154 3368687001667 6737374003334 10106061005001 20212122010002