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121200022221202 = 2193189474268979
BaseRepresentation
bin11011100011101100010100…
…010001010111000110010010
3120220010121102221022002200101
4123203230110101113012102
5111341220121142034302
61105434304353443014
734346261351600101
oct3343542421270622
9526117387262611
10121200022221202
1135688705958431
121171546227046a
1352821614c4b02
1421d0180500038
15e02a56280287
hex6e3b14457192

121200022221202 has 8 divisors (see below), whose sum is σ = 191368456138800. Its totient is φ = 57410536841604.

The previous prime is 121200022221197. The next prime is 121200022221227. The reversal of 121200022221202 is 202122220002121.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 121200022221202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594737134452 + ... + 1594737134527.

It is an arithmetic number, because the mean of its divisors is an integer number (23921057017350).

Almost surely, 2121200022221202 is an apocalyptic number.

121200022221202 is a deficient number, since it is larger than the sum of its proper divisors (70168433917598).

121200022221202 is a wasteful number, since it uses less digits than its factorization.

121200022221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189474269000.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121200022221202 its reverse (202122220002121), we get a palindrome (323322242223323).

The spelling of 121200022221202 in words is "one hundred twenty-one trillion, two hundred billion, twenty-two million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 19 38 3189474268979 6378948537958 60600011110601 121200022221202