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1212121001122 = 2806277516843
BaseRepresentation
bin10001101000111000000…
…010101010110010100010
311021212200210111202122221
4101220320002222302202
5124324410434013442
62324501331421254
7153400326340513
oct21507002526242
94255623452587
101212121001122
1142806a783699
12176b00a5482a
138a3c1837015
144294a242a0a
15217e3dad467
hex11a380aaca2

1212121001122 has 8 divisors (see below), whose sum is σ = 1818204294096. Its totient is φ = 606052903092.

The previous prime is 1212121001107. The next prime is 1212121001149. The reversal of 1212121001122 is 2211001212121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212121001096 and 1212121001105.

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, 3597168 + ... + 3919675.

It is an arithmetic number, because the mean of its divisors is an integer number (227275536762).

Almost surely, 21212121001122 is an apocalyptic number.

1212121001122 is a deficient number, since it is larger than the sum of its proper divisors (606083292974).

1212121001122 is an equidigital number, since it uses as much as digits as its factorization.

1212121001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7597472.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212121001122 its reverse (2211001212121), we get a palindrome (3423122213243).

The spelling of 1212121001122 in words is "one trillion, two hundred twelve billion, one hundred twenty-one million, one thousand, one hundred twenty-two".

Divisors: 1 2 80627 161254 7516843 15033686 606060500561 1212121001122