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121013020001 = 1811545143271
BaseRepresentation
bin111000010110011110…
…0000010010101100001
3102120100121100100200202
41300230330002111201
53440313313120001
6131332000554545
711512546461326
oct1605474022541
9376317310622
10121013020001
1147359771035
121b553022a55
13b5470328a3
145bddac2b4d
153233da996b
hex1c2cf02561

121013020001 has 8 divisors (see below), whose sum is σ = 121692287808. Its totient is φ = 120333870000.

The previous prime is 121013019991. The next prime is 121013020021. The reversal of 121013020001 is 100020310121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121013020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121013020021) 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, 2774996 + ... + 2818266.

It is an arithmetic number, because the mean of its divisors is an integer number (15211535976).

Almost surely, 2121013020001 is an apocalyptic number.

It is an amenable number.

121013020001 is a deficient number, since it is larger than the sum of its proper divisors (679267807).

121013020001 is a wasteful number, since it uses less digits than its factorization.

121013020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58903.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 121013020001 its reverse (100020310121), we get a palindrome (221033330122).

The spelling of 121013020001 in words is "one hundred twenty-one billion, thirteen million, twenty thousand, one".

Divisors: 1 181 15451 43271 2796631 7832051 668580221 121013020001