Search a number
-
+
102212120202001 = 139735338994259
BaseRepresentation
bin10111001111011000011101…
…000111011100101100010001
3111101220101100101202010020121
4113033120131013130230101
5101344120410232431001
61001215333315510241
730346403423463235
oct2717303507345421
9441811311663217
10102212120202001
112a627a0a20a327
12b5694882b8381
13450573ba28b34
141b351433305c5
15bc3b89cd76a1
hex5cf61d1dcb11

102212120202001 has 4 divisors (see below), whose sum is σ = 102947459196400. Its totient is φ = 101476781207604.

The previous prime is 102212120201981. The next prime is 102212120202011. The reversal of 102212120202001 is 100202021212201.

It is a happy number.

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 not a de Polignac number, because 102212120202001 - 223 = 102212111813393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102212120202011) 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, 367669496991 + ... + 367669497268.

It is an arithmetic number, because the mean of its divisors is an integer number (25736864799100).

Almost surely, 2102212120202001 is an apocalyptic number.

It is an amenable number.

102212120202001 is a deficient number, since it is larger than the sum of its proper divisors (735338994399).

102212120202001 is an equidigital number, since it uses as much as digits as its factorization.

102212120202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735338994398.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102212120202001 its reverse (100202021212201), we get a palindrome (202414141414202).

The spelling of 102212120202001 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty million, two hundred two thousand, one".

Divisors: 1 139 735338994259 102212120202001