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12122970300 = 22345271712577
BaseRepresentation
bin10110100101001010…
…11101100010111100
31011021212111200220000
423102211131202330
5144311440022200
65322541154300
7606263355510
oct132245354274
934255450800
1012122970300
115161112021
122423b5b990
1311b278b70c
148300ac140
154ae461300
hex2d295d8bc

12122970300 has 360 divisors, whose sum is σ = 47557518624. Its totient is φ = 2607759360.

The previous prime is 12122970271. The next prime is 12122970319. The reversal of 12122970300 is 307922121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 957612 + ... + 970188.

Almost surely, 212122970300 is an apocalyptic number.

12122970300 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 12122970300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23778759312).

12122970300 is an abundant number, since it is smaller than the sum of its proper divisors (35434548324).

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

12122970300 is a wasteful number, since it uses less digits than its factorization.

12122970300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12627 (or 12611 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 12122970300 in words is "twelve billion, one hundred twenty-two million, nine hundred seventy thousand, three hundred".