12101011210 has 8 divisors (see below), whose sum is σ = 21781820196. Its totient is φ = 4840404480.

The previous prime is 12101011207. The next prime is 12101011243. The reversal of 12101011210 is 1211010121.

It can be written as a sum of positive squares in 2 ways, for example, as 10618684209 + 1482327001 = 103047^2 + 38501^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1210101121 = 12101011210 / (1 + 2 + 1 + 0 + 1 + 0 + 1 + 1 + 2 + 1 + 0).

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, 605050551 + ... + 605050570.

Almost surely, 2^12101011210 is an apocalyptic number.

12101011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101011210 is a deficient number, since it is larger than the sum of its proper divisors (9680808986).

12101011210 is a wasteful number, since it uses less digits than its factorization.

12101011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210101128.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12101011210 its reverse (1211010121), we get a palindrome (13312021331).

The spelling of 12101011210 in words is "twelve billion, one hundred one million, eleven thousand, two hundred ten".