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122022201000 = 23353727383137
BaseRepresentation
bin111000110100100010…
…1110000011010101000
3102122221221022001202210
41301221011300122220
53444400140413000
6132020051125120
711546552411100
oct1615105603250
9378857261683
10122022201000
1147827395717
121b794ba37a0
13b6781358cb
145c97b40200
1532927a1350
hex1c691706a8

122022201000 has 768 divisors, whose sum is σ = 457657724160. Its totient is φ = 26978918400.

The previous prime is 122022200953. The next prime is 122022201013. The reversal of 122022201000 is 102220221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 890672932 + ... + 890673068.

It is an arithmetic number, because the mean of its divisors is an integer number (595908495).

Almost surely, 2122022201000 is an apocalyptic number.

122022201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122022201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228828862080).

122022201000 is an abundant number, since it is smaller than the sum of its proper divisors (335635523160).

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

122022201000 is a wasteful number, since it uses less digits than its factorization.

122022201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 122022201000 its reverse (102220221), we get a palindrome (122124421221).

The spelling of 122022201000 in words is "one hundred twenty-two billion, twenty-two million, two hundred one thousand".