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12122112143401 = 131994685779723
BaseRepresentation
bin1011000001100110011000…
…1100000011000000101001
31120220212021211121201100021
42300121212030003000221
53042102041202042101
641440453233040441
72360536145056261
oct260314614030051
946825254551307
1012122112143401
113953a60311587
12143941a9b6121
1369c158357140
142dc9db6527a1
151604cd53b5a1
hexb0666303029

12122112143401 has 8 divisors (see below), whose sum is σ = 13120183227200. Its totient is φ = 11133412619472.

The previous prime is 12122112143329. The next prime is 12122112143419. The reversal of 12122112143401 is 10434121122121.

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

It is not a de Polignac number, because 12122112143401 - 219 = 12122111619113 is a prime.

It is a super-3 number, since 3×121221121434013 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122112143441) 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, 2342887275 + ... + 2342892448.

It is an arithmetic number, because the mean of its divisors is an integer number (1640022903400).

Almost surely, 212122112143401 is an apocalyptic number.

It is an amenable number.

12122112143401 is a deficient number, since it is larger than the sum of its proper divisors (998071083799).

12122112143401 is a wasteful number, since it uses less digits than its factorization.

12122112143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685779935.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 12122112143401 its reverse (10434121122121), we get a palindrome (22556233265522).

The spelling of 12122112143401 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, one hundred forty-three thousand, four hundred one".

Divisors: 1 13 199 2587 4685779723 60915136399 932470164877 12122112143401