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12101220219 = 311366703643
BaseRepresentation
bin10110100010100100…
…11111011101111011
31011020100120200101110
423101102133131323
5144240403021334
65320443051403
7605610450264
oct132122373573
934210520343
1012101220219
11514a906950
122418810b63
1311ab11484a
1482b24996b
154ac5b6ae9
hex2d149f77b

12101220219 has 8 divisors (see below), whose sum is σ = 17601774912. Its totient is φ = 7334072840.

The previous prime is 12101220149. The next prime is 12101220223. The reversal of 12101220219 is 91202210121.

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 12101220219 - 27 = 12101220091 is a prime.

It is a super-2 number, since 2×121012202192 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101220195 and 12101220204.

It is not an unprimeable number, because it can be changed into a prime (12101220269) 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, 183351789 + ... + 183351854.

It is an arithmetic number, because the mean of its divisors is an integer number (2200221864).

Almost surely, 212101220219 is an apocalyptic number.

12101220219 is a deficient number, since it is larger than the sum of its proper divisors (5500554693).

12101220219 is a wasteful number, since it uses less digits than its factorization.

12101220219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366703657.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 12101220219 in words is "twelve billion, one hundred one million, two hundred twenty thousand, two hundred nineteen".

Divisors: 1 3 11 33 366703643 1100110929 4033740073 12101220219