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122020312301 = 929433930271
BaseRepresentation
bin111000110100011111…
…0100011010011101101
3102122221210202002221222
41301220332203103231
53444344144443201
6132015542433125
711546530353506
oct1615076432355
9378853662858
10122020312301
1147826315708
121b7944327a5
13b677924034
145c977abbad
15329252b91b
hex1c68fa34ed

122020312301 has 8 divisors (see below), whose sum is σ = 122183846400. Its totient is φ = 121856849280.

The previous prime is 122020312277. The next prime is 122020312307. The reversal of 122020312301 is 103213020221.

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

It is a cyclic number.

It is not a de Polignac number, because 122020312301 - 222 = 122016117997 is a prime.

It is a super-2 number, since 2×1220203123012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122020312301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020312307) 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, 4015796 + ... + 4046066.

It is an arithmetic number, because the mean of its divisors is an integer number (15272980800).

Almost surely, 2122020312301 is an apocalyptic number.

It is an amenable number.

122020312301 is a deficient number, since it is larger than the sum of its proper divisors (163534099).

122020312301 is an equidigital number, since it uses as much as digits as its factorization.

122020312301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35539.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122020312301 its reverse (103213020221), we get a palindrome (225233332522).

The spelling of 122020312301 in words is "one hundred twenty-two billion, twenty million, three hundred twelve thousand, three hundred one".

Divisors: 1 929 4339 30271 4030931 28121759 131345869 122020312301