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122001033012020 = 22571181474675251
BaseRepresentation
bin11011101111010110010100…
…001111000010001100110100
3120222222011222202102022222222
4123233112110033002030310
5111442331103422341040
61111250300102541512
734461166221145121
oct3357262417021464
9528864882368888
10122001033012020
1135967390636238
121182474b137898
13530c8569b9156
14221ac4abc1748
15e187d8185bb5
hex6ef5943c2334

122001033012020 has 48 divisors (see below), whose sum is σ = 261246069092736. Its totient is φ = 47847265200000.

The previous prime is 122001033012011. The next prime is 122001033012031. The reversal of 122001033012020 is 20210330100221.

It is a self number, because there is not a number n which added to its sum of digits gives 122001033012020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237080606 + ... + 237594645.

It is an arithmetic number, because the mean of its divisors is an integer number (5442626439432).

Almost surely, 2122001033012020 is an apocalyptic number.

122001033012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001033012020 is an abundant number, since it is smaller than the sum of its proper divisors (139245036080716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122001033012020 is a wasteful number, since it uses less digits than its factorization.

122001033012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474675512 (or 474675510 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122001033012020 its reverse (20210330100221), we get a palindrome (142211363112241).

The spelling of 122001033012020 in words is "one hundred twenty-two trillion, one billion, thirty-three million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 181 284 355 362 710 724 905 1420 1810 3620 12851 25702 51404 64255 128510 257020 474675251 949350502 1898701004 2373376255 4746752510 9493505020 33701942821 67403885642 85916220431 134807771284 168509714105 171832440862 337019428210 343664881724 429581102155 674038856420 859162204310 1718324408620 6100051650601 12200103301202 24400206602404 30500258253005 61000516506010 122001033012020