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122000011012021 = 19292631197170327
BaseRepresentation
bin11011101111010101010111…
…010100011010011110110101
3120222222002100112100100120011
4123233111113110122132311
5111442322010304341041
61111250010433540221
734461132001245232
oct3357252724323665
9528862315310504
10122000011012021
1135966a0675653a
1211824504a14671
13530c72304841c
14221ab91188789
15e187785aae81
hex6ef55751a7b5

122000011012021 has 32 divisors (see below), whose sum is σ = 133367543654400. Its totient is φ = 111158299546560.

The previous prime is 122000011011997. The next prime is 122000011012037. The reversal of 122000011012021 is 120210110000221.

It is not a de Polignac number, because 122000011012021 - 227 = 121999876794293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000011011992 and 122000011012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000011012921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1734718360 + ... + 1734788686.

It is an arithmetic number, because the mean of its divisors is an integer number (4167735739200).

Almost surely, 2122000011012021 is an apocalyptic number.

It is an amenable number.

122000011012021 is a deficient number, since it is larger than the sum of its proper divisors (11367532642379).

122000011012021 is a wasteful number, since it uses less digits than its factorization.

122000011012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82609.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122000011012021 its reverse (120210110000221), we get a palindrome (242210121012242).

The spelling of 122000011012021 in words is "one hundred twenty-two trillion, eleven million, twelve thousand, twenty-one".

Divisors: 1 19 29 263 551 4997 7627 11971 70327 144913 227449 347159 1336213 2039483 3148373 6596021 18496001 38750177 59819087 91302817 351424019 536384029 841884517 1734753523 10191296551 15995805823 24414650993 221415627971 463878368867 4206896931449 6421053211159 122000011012021