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122000023103221 = 193132963168949
BaseRepresentation
bin11011101111010101011000…
…000010100010011011110101
3120222222002101101002122120101
4123233111120002202123311
5111442322021403300341
61111250011545034101
734461132206104444
oct3357253002423365
9528862341078511
10122000023103221
1135966a1256486a
1211824508a85931
13530c7256bca93
14221ab92a14d5b
15e18779698831
hex6ef5580a26f5

122000023103221 has 4 divisors (see below), whose sum is σ = 122000088203500. Its totient is φ = 121999958002944.

The previous prime is 122000023103209. The next prime is 122000023103261. The reversal of 122000023103221 is 122301320000221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12502341298225 + 109497681804996 = 3535865^2 + 10464114^2 .

It is a cyclic number.

It is not a de Polignac number, because 122000023103221 - 213 = 122000023095029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000023103261) 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, 29653146 + ... + 33515803.

It is an arithmetic number, because the mean of its divisors is an integer number (30500022050875).

Almost surely, 2122000023103221 is an apocalyptic number.

It is an amenable number.

122000023103221 is a deficient number, since it is larger than the sum of its proper divisors (65100279).

122000023103221 is an equidigital number, since it uses as much as digits as its factorization.

122000023103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65100278.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122000023103221 its reverse (122301320000221), we get a palindrome (244301343103442).

The spelling of 122000023103221 in words is "one hundred twenty-two trillion, twenty-three million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 1931329 63168949 122000023103221