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10201212011020 = 225510060600551
BaseRepresentation
bin1001010001110010011110…
…0111100100001000001100
31100010020010000010110212211
42110130213213210020030
52314114040233323040
633410212212440204
72102004354253162
oct224344747441014
940106100113784
1010201212011020
113283345265018
121189091319064
1358cc7c5b5b84
14273a54189232
1512a5549c68ea
hex947279e420c

10201212011020 has 12 divisors (see below), whose sum is σ = 21422545223184. Its totient is φ = 4080484804400.

The previous prime is 10201212011017. The next prime is 10201212011051. The reversal of 10201212011020 is 2011021210201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255030300256 + ... + 255030300295.

It is an arithmetic number, because the mean of its divisors is an integer number (1785212101932).

Almost surely, 210201212011020 is an apocalyptic number.

10201212011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201212011020 is an abundant number, since it is smaller than the sum of its proper divisors (11221333212164).

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

10201212011020 is a wasteful number, since it uses less digits than its factorization.

10201212011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510060600560 (or 510060600558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10201212011020 its reverse (2011021210201), we get a palindrome (12212233221221).

The spelling of 10201212011020 in words is "ten trillion, two hundred one billion, two hundred twelve million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 510060600551 1020121201102 2040242402204 2550303002755 5100606005510 10201212011020