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12020110221000 = 2335373143429397
BaseRepresentation
bin1010111011101010011001…
…1001100101111011001000
31120120010000011000011211110
42232322212121211323020
53033414141204033000
641321543513530320
72350265352041310
oct256724631457310
946503004004743
1012020110221000
113914777946562
1214216b27139a0
13692650b7933b
142d7ac2796440
1515ca0d6ae850
hexaeea6665ec8

12020110221000 has 512 divisors, whose sum is σ = 45271877713920. Its totient is φ = 2596987008000.

The previous prime is 12020110220939. The next prime is 12020110221017. The reversal of 12020110221000 is 12201102021.

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 127 ways as a sum of consecutive naturals, for example, 27778302 + ... + 28207698.

It is an arithmetic number, because the mean of its divisors is an integer number (88421636160).

Almost surely, 212020110221000 is an apocalyptic number.

12020110221000 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 12020110221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22635938856960).

12020110221000 is an abundant number, since it is smaller than the sum of its proper divisors (33251767492920).

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

12020110221000 is a wasteful number, since it uses less digits than its factorization.

12020110221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429502 (or 429488 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12020110221000 its reverse (12201102021), we get a palindrome (12032311323021).

The spelling of 12020110221000 in words is "twelve trillion, twenty billion, one hundred ten million, two hundred twenty-one thousand".