Search a number
-
+
1201110022112 = 2571113149359701
BaseRepresentation
bin10001011110100111101…
…111000111011111100000
311020211021102102002001112
4101132213233013133200
5124134333131201422
62315440552122452
7152530424510060
oct21364757073740
94224242362045
101201110022112
1142342a327140
12174949396428
1389358567320
14421c3b153a0
152139c3a0ee2
hex117a7bc77e0

1201110022112 has 384 divisors, whose sum is σ = 3209746176000. Its totient is φ = 427262976000.

The previous prime is 1201110022093. The next prime is 1201110022139. The reversal of 1201110022112 is 2112200111021.

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 63 ways as a sum of consecutive naturals, for example, 1713423362 + ... + 1713424062.

It is an arithmetic number, because the mean of its divisors is an integer number (8358714000).

Almost surely, 21201110022112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201110022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604873088000).

1201110022112 is an abundant number, since it is smaller than the sum of its proper divisors (2008636153888).

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

1201110022112 is a wasteful number, since it uses less digits than its factorization.

1201110022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201110022112 its reverse (2112200111021), we get a palindrome (3313310133133).

The spelling of 1201110022112 in words is "one trillion, two hundred one billion, one hundred ten million, twenty-two thousand, one hundred twelve".