Search a number
-
+
102212021220000 = 253543746041451
BaseRepresentation
bin10111001111011000010111…
…001101110111001010100000
3111101220101002111111022110120
4113033120113031313022200
5101344120204413020000
61001215315422200240
730346401112241046
oct2717302715671240
9441811074438416
10102212021220000
112a62796935371a
12b56945b123080
1345057243807c3
141b35134126396
15bc3b812846a0
hex5cf6173772a0

102212021220000 has 240 divisors, whose sum is σ = 344337389538912. Its totient is φ = 26519875200000.

The previous prime is 102212021219993. The next prime is 102212021220011. The reversal of 102212021220000 is 22120212201.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20800726 + ... + 25240725.

Almost surely, 2102212021220000 is an apocalyptic number.

102212021220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212021220000 is an abundant number, since it is smaller than the sum of its proper divisors (242125368318912).

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

102212021220000 is an equidigital number, since it uses as much as digits as its factorization.

102212021220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46041521 (or 46041498 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102212021220000 its reverse (22120212201), we get a palindrome (102234141432201).

The spelling of 102212021220000 in words is "one hundred two trillion, two hundred twelve billion, twenty-one million, two hundred twenty thousand".