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121220122020022 = 260768199739931
BaseRepresentation
bin11011100011111111000010…
…010100000000100010110110
3120220012112022201121200011201
4123203333002110000202312
5111342032302214120042
61105451431050123114
734350602425220464
oct3343770224004266
9526175281550151
10121220122020022
113569618a750813
121171933172049a
1352840157727ac
1421d1129b63834
15e03330b611b7
hex6e3fc25008b6

121220122020022 has 8 divisors (see below), whose sum is σ = 181830484072872. Its totient is φ = 60609960662400.

The previous prime is 121220122019987. The next prime is 121220122020077. The reversal of 121220122020022 is 220020221022121.

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

It is a congruent number.

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, 48654604 + ... + 51085327.

It is an arithmetic number, because the mean of its divisors is an integer number (22728810509109).

Almost surely, 2121220122020022 is an apocalyptic number.

121220122020022 is a deficient number, since it is larger than the sum of its proper divisors (60610362052850).

121220122020022 is an equidigital number, since it uses as much as digits as its factorization.

121220122020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100347614.

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

Adding to 121220122020022 its reverse (220020221022121), we get a palindrome (341240343042143).

The spelling of 121220122020022 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred twenty-two million, twenty thousand, twenty-two".

Divisors: 1 2 607681 1215362 99739931 199479862 60610061010011 121220122020022