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122011012221222 = 2323884137769719
BaseRepresentation
bin11011101111011111100111…
…000010101100100100100110
3121000000010202020001200111210
4123233133213002230210212
5111443012023112034342
61111255030224012250
734462001424055365
oct3357374702544446
9530003666050453
10122011012221222
113597064163a873
1211826675161086
1353107872a7277
14221b5162917dc
15e18bbe2d879c
hex6ef7e70ac926

122011012221222 has 16 divisors (see below), whose sum is σ = 254631677679360. Its totient is φ = 38902061867592.

The previous prime is 122011012221157. The next prime is 122011012221299. The reversal of 122011012221222 is 222122210110221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442068884722 + ... + 442068884997.

It is an arithmetic number, because the mean of its divisors is an integer number (15914479854960).

Almost surely, 2122011012221222 is an apocalyptic number.

122011012221222 is an abundant number, since it is smaller than the sum of its proper divisors (132620665458138).

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

122011012221222 is a wasteful number, since it uses less digits than its factorization.

122011012221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884137769747.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122011012221222 its reverse (222122210110221), we get a palindrome (344133222331443).

The spelling of 122011012221222 in words is "one hundred twenty-two trillion, eleven billion, twelve million, two hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 884137769719 1768275539438 2652413309157 5304826618314 20335168703537 40670337407074 61005506110611 122011012221222