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20122012012010 = 2519778991359521
BaseRepresentation
bin1001001001101000001010…
…11000001100110111101010
32122020122102121120220202112
410210310011120030313222
510114134340033341020
6110443531423002322
74144524134015336
oct444640530146752
978218377526675
1020122012012010
1164587742235a7
12230b9451393a2
13b2c66128ca4c
144d7ca68a87c6
1524d6467c32c5
hex124d0560cdea

20122012012010 has 32 divisors (see below), whose sum is σ = 38126434968000. Its totient is φ = 7625080005120.

The previous prime is 20122012011931. The next prime is 20122012012013. The reversal of 20122012012010 is 1021021022102.

It is a super-2 number, since 2×201220120120102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122012012013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14121050 + ... + 15480570.

It is an arithmetic number, because the mean of its divisors is an integer number (1191451092750).

Almost surely, 220122012012010 is an apocalyptic number.

20122012012010 is a deficient number, since it is larger than the sum of its proper divisors (18004422955990).

20122012012010 is a wasteful number, since it uses less digits than its factorization.

20122012012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437446.

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

Adding to 20122012012010 its reverse (1021021022102), we get a palindrome (21143033034112).

The spelling of 20122012012010 in words is "twenty trillion, one hundred twenty-two billion, twelve million, twelve thousand, ten".

Divisors: 1 2 5 10 19 38 95 190 77899 155798 389495 778990 1359521 1480081 2719042 2960162 6797605 7400405 13595210 14800810 25830899 51661798 129154495 258308990 105905326379 211810652758 529526631895 1059053263790 2012201201201 4024402402402 10061006006005 20122012012010