Search a number
-
+
2021122010012 = 227307235123547
BaseRepresentation
bin11101011010010100010…
…000100110101110011100
321011012212110122010121012
4131122110100212232130
5231103224213310022
64144253550554352
7266010200425130
oct35322420465634
97135773563535
102021122010012
1170a175758606
122878598089b8
1311878b527c51
146db73ba33c0
15378924cade2
hex1d694426b9c

2021122010012 has 24 divisors (see below), whose sum is σ = 4055410955904. Its totient is φ = 863373660912.

The previous prime is 2021122009967. The next prime is 2021122010029. The reversal of 2021122010012 is 2100102211202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117553178 + ... + 117570369.

It is an arithmetic number, because the mean of its divisors is an integer number (168975456496).

Almost surely, 22021122010012 is an apocalyptic number.

It is an amenable number.

2021122010012 is an abundant number, since it is smaller than the sum of its proper divisors (2034288945892).

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

2021122010012 is a wasteful number, since it uses less digits than its factorization.

2021122010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235123865 (or 235123863 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021122010012 its reverse (2100102211202), we get a palindrome (4121224221214).

The spelling of 2021122010012 in words is "two trillion, twenty-one billion, one hundred twenty-two million, ten thousand, twelve".

Divisors: 1 2 4 7 14 28 307 614 1228 2149 4298 8596 235123547 470247094 940494188 1645864829 3291729658 6583459316 72182928929 144365857858 288731715716 505280502503 1010561005006 2021122010012