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121012330113012 = 2231319257439361871
BaseRepresentation
bin11011100000111101100000…
…111100110010011111110100
3120212110122222100111002200210
4123200331200330302133310
5111330131223002104022
61105212144052305420
734326565231155432
oct3340754074623764
9525418870432623
10121012330113012
113561604a622548
12116a5000612270
13526a54c06c370
1421c5056ca5d52
15decc1d5e8a0c
hex6e0f60f327f4

121012330113012 has 192 divisors, whose sum is σ = 322064922009600. Its totient is φ = 35057456087040.

The previous prime is 121012330112939. The next prime is 121012330113029. The reversal of 121012330113012 is 210311033210121.

It is a self number, because there is not a number n which added to its sum of digits gives 121012330113012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 334226437 + ... + 334588307.

It is an arithmetic number, because the mean of its divisors is an integer number (1677421468800).

Almost surely, 2121012330113012 is an apocalyptic number.

121012330113012 is a gapful number since it is divisible by the number (12) 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 121012330113012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161032461004800).

121012330113012 is an abundant number, since it is smaller than the sum of its proper divisors (201052591896588).

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

121012330113012 is a wasteful number, since it uses less digits than its factorization.

121012330113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362606 (or 362604 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121012330113012 its reverse (210311033210121), we get a palindrome (331323363323133).

The spelling of 121012330113012 in words is "one hundred twenty-one trillion, twelve billion, three hundred thirty million, one hundred thirteen thousand, twelve".