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1210112002001 = 72910195849993
BaseRepresentation
bin10001100111000000010…
…010111100011111010001
311021200111210020000222002
4101213000102330133101
5124311302133031001
62323530123523345
7153266463205310
oct21470022743721
94250453200862
101210112002001
1142722974a941
12176640089555
138a16155b846
14427d94c4277
152172781e46b
hex119c04bc7d1

1210112002001 has 16 divisors (see below), whose sum is σ = 1432078531200. Its totient is φ = 1000489031808.

The previous prime is 1210112001991. The next prime is 1210112002007. The reversal of 1210112002001 is 1002002110121.

It is not a de Polignac number, because 1210112002001 - 222 = 1210107807697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210112002007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2718140 + ... + 3131853.

It is an arithmetic number, because the mean of its divisors is an integer number (89504908200).

Almost surely, 21210112002001 is an apocalyptic number.

It is an amenable number.

1210112002001 is a deficient number, since it is larger than the sum of its proper divisors (221966529199).

1210112002001 is a wasteful number, since it uses less digits than its factorization.

1210112002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851048.

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

Adding to 1210112002001 its reverse (1002002110121), we get a palindrome (2212114112122).

The spelling of 1210112002001 in words is "one trillion, two hundred ten billion, one hundred twelve million, two thousand, one".

Divisors: 1 7 29 203 1019 7133 29551 206857 5849993 40949951 169649797 1187548579 5961142867 41728000069 172873143143 1210112002001