Search a number
-
+
1012101021012 = 223109773777539
BaseRepresentation
bin11101011101001011110…
…10111111110101010100
310120202102001121222121110
432232211322333311110
5113040240330133022
62052541445215020
7133056543506454
oct16564572776524
93522361558543
101012101021012
11360258706104
1214419a701470
13745963407c3
1436db363dd64
151b4d8cde00c
hexeba5ebfd54

1012101021012 has 24 divisors (see below), whose sum is σ = 2383234823200. Its totient is φ = 334271896416.

The previous prime is 1012101021007. The next prime is 1012101021017. The reversal of 1012101021012 is 2101201012101.

It is an interprime number because it is at equal distance from previous prime (1012101021007) and next prime (1012101021017).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012101021017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386887462 + ... + 386890077.

Almost surely, 21012101021012 is an apocalyptic number.

1012101021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012101021012 is an abundant number, since it is smaller than the sum of its proper divisors (1371133802188).

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

1012101021012 is a wasteful number, since it uses less digits than its factorization.

1012101021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773777655 (or 773777653 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012101021012 its reverse (2101201012101), we get a palindrome (3113302033113).

The spelling of 1012101021012 in words is "one trillion, twelve billion, one hundred one million, twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 773777539 1547555078 2321332617 3095110156 4642665234 9285330468 84341751751 168683503502 253025255253 337367007004 506050510506 1012101021012