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1012012219 = 19261720353
BaseRepresentation
bin111100010100100…
…001010010111011
32121112021112210001
4330110201102323
54033033342334
6244230533431
734035650641
oct7424412273
92545245701
101012012219
1147a288839
12242b07277
131318848ca
1498597191
155dca5714
hex3c5214bb

1012012219 has 8 divisors (see below), whose sum is σ = 1065735440. Its totient is φ = 958334976.

The previous prime is 1012012201. The next prime is 1012012229. The reversal of 1012012219 is 9122102101.

It is a happy number.

1012012219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1012012219 - 25 = 1012012187 is a prime.

It is a super-2 number, since 2×10120122192 = 2048337462810607922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012012196 and 1012012205.

It is not an unprimeable number, because it can be changed into a prime (1012012229) 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, 39547 + ... + 59899.

It is an arithmetic number, because the mean of its divisors is an integer number (133216930).

Almost surely, 21012012219 is an apocalyptic number.

1012012219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1012012219 is a deficient number, since it is larger than the sum of its proper divisors (53723221).

1012012219 is a wasteful number, since it uses less digits than its factorization.

1012012219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22989.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1012012219 is about 31812.1394910811. The cubic root of 1012012219 is about 1003.9881465429.

The spelling of 1012012219 in words is "one billion, twelve million, twelve thousand, two hundred nineteen".

Divisors: 1 19 2617 20353 49723 386707 53263801 1012012219