Search a number
-
+
1012121111202 = 23168686851867
BaseRepresentation
bin11101011101001110001…
…11101000101010100010
310120202110110102200011120
432232213013220222202
5113040311001024302
62052543443553110
7133060206332445
oct16564707505242
93522413380146
101012121111202
11360268a88173
121441a538b796
137459a555ca6
1436db618d65c
151b4da95b9bc
hexeba71e8aa2

1012121111202 has 8 divisors (see below), whose sum is σ = 2024242222416. Its totient is φ = 337373703732.

The previous prime is 1012121111191. The next prime is 1012121111219. The reversal of 1012121111202 is 2021111212101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1012121111202 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84343425928 + ... + 84343425939.

It is an arithmetic number, because the mean of its divisors is an integer number (253030277802).

Almost surely, 21012121111202 is an apocalyptic number.

1012121111202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1012121111202 is a wasteful number, since it uses less digits than its factorization.

1012121111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168686851872.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1012121111202 its reverse (2021111212101), we get a palindrome (3033232323303).

The spelling of 1012121111202 in words is "one trillion, twelve billion, one hundred twenty-one million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 3 6 168686851867 337373703734 506060555601 1012121111202