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1021012000001 = 7236341689441
BaseRepresentation
bin11101101101110010000…
…11101011110100000001
310121121102002012121202022
432312321003223310001
5113212013033000001
62101014010331225
7133523425543160
oct16667103536401
93547362177668
101021012000001
11364010724554
12145a66a29b15
1375386522636
14375bacc13d7
151b85b28411b
hexedb90ebd01

1021012000001 has 8 divisors (see below), whose sum is σ = 1217604372864. Its totient is φ = 837103006080.

The previous prime is 1021011999989. The next prime is 1021012000033. The reversal of 1021012000001 is 1000002101201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021012000001 - 210 = 1021011998977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021012000601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3170844560 + ... + 3170844881.

It is an arithmetic number, because the mean of its divisors is an integer number (152200546608).

Almost surely, 21021012000001 is an apocalyptic number.

It is an amenable number.

1021012000001 is a deficient number, since it is larger than the sum of its proper divisors (196592372863).

1021012000001 is an equidigital number, since it uses as much as digits as its factorization.

1021012000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341689471.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1021012000001 its reverse (1000002101201), we get a palindrome (2021014101202).

The spelling of 1021012000001 in words is "one trillion, twenty-one billion, twelve million, one", and thus it is an aban number and an uban number.

Divisors: 1 7 23 161 6341689441 44391826087 145858857143 1021012000001