Search a number
BaseRepresentation
bin1001000111001111011110…
…1111010110111001111010
31022110220102102121210012010
42101303313233112321322
52303132000122334320
633151044513430350
72052631303513521
oct221636757267172
938426372553163
1010020020121210
113213515156440
121159b4456b3b6
13578b64a597a8
14268d85d714b8
1512599c835ae0
hex91cf7bd6e7a

10020020121210 has 192 divisors, whose sum is σ = 26486183240064. Its totient is φ = 2405983910400.

The previous prime is 10020020121187. The next prime is 10020020121233. The reversal of 10020020121210 is 1212102002001.

Adding to 10020020121210 its reverse (1212102002001), we get a palindrome (11232122123211).

It is an interprime number because it is at equal distance from previous prime (10020020121187) and next prime (10020020121233).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4369828824 + ... + 4369831116.

It is an arithmetic number, because the mean of its divisors is an integer number (137948871042).

Almost surely, 210020020121210 is an apocalyptic number.

10020020121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020020121210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13243091620032).

10020020121210 is an abundant number, since it is smaller than the sum of its proper divisors (16466163118854).

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

10020020121210 is a wasteful number, since it uses less digits than its factorization.

10020020121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389 (or 3262 counting only the distinct ones).

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

The spelling of 10020020121210 in words is "ten trillion, twenty billion, twenty million, one hundred twenty-one thousand, two hundred ten".