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122040215201 = 153837933447
BaseRepresentation
bin111000110101000101…
…0011110011010100001
3102200000012012021121102
41301222022132122201
53444414243341301
6132021533204145
711550161466452
oct1615212363241
9380005167542
10122040215201
1147836579a93
121b79b030655
13b67baa21b8
145c9a2ad129
15329415db6b
hex1c6a29e6a1

122040215201 has 4 divisors (see below), whose sum is σ = 122048164032. Its totient is φ = 122032266372.

The previous prime is 122040215189. The next prime is 122040215293. The reversal of 122040215201 is 102512040221.

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 122040215201 - 230 = 120966473377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122040215701) 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, 3951341 + ... + 3982106.

It is an arithmetic number, because the mean of its divisors is an integer number (30512041008).

Almost surely, 2122040215201 is an apocalyptic number.

It is an amenable number.

122040215201 is a deficient number, since it is larger than the sum of its proper divisors (7948831).

122040215201 is an equidigital number, since it uses as much as digits as its factorization.

122040215201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948830.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 122040215201 its reverse (102512040221), we get a palindrome (224552255422).

The spelling of 122040215201 in words is "one hundred twenty-two billion, forty million, two hundred fifteen thousand, two hundred one".

Divisors: 1 15383 7933447 122040215201