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1210012010201 = 5920508678139
BaseRepresentation
bin10001100110111010010…
…101100000011011011001
311021200020211001221000002
4101212322111200123121
5124311101033311301
62323512152422345
7153264140246111
oct21467225403331
94250224057002
101210012010201
11427188264595
121766126a79b5
138a14691b9b7
14427ca0d6041
152171db6c16b
hex119ba5606d9

1210012010201 has 4 divisors (see below), whose sum is σ = 1230520688400. Its totient is φ = 1189503332004.

The previous prime is 1210012010191. The next prime is 1210012010353. The reversal of 1210012010201 is 1020102100121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1210012010201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210012010101) 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, 10254339011 + ... + 10254339128.

It is an arithmetic number, because the mean of its divisors is an integer number (307630172100).

Almost surely, 21210012010201 is an apocalyptic number.

It is an amenable number.

1210012010201 is a deficient number, since it is larger than the sum of its proper divisors (20508678199).

1210012010201 is an equidigital number, since it uses as much as digits as its factorization.

1210012010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20508678198.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1210012010201 its reverse (1020102100121), we get a palindrome (2230114110322).

The spelling of 1210012010201 in words is "one trillion, two hundred ten billion, twelve million, ten thousand, two hundred one".

Divisors: 1 59 20508678139 1210012010201