1212221100119 has 16 divisors (see below), whose sum is σ = 1237093482240. Its totient is φ = 1187495350080.

The previous prime is 1212221100049. The next prime is 1212221100121. The reversal of 1212221100119 is 9110011222121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1212221100119 - 2⁸ = 1212221099863 is a prime.

It is a super-2 number, since 2×1212221100119² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212221100094 and 1212221100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212221100319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72880934 + ... + 72897564.

It is an arithmetic number, because the mean of its divisors is an integer number (77318342640).

Almost surely, 2^{1212221100119} is an apocalyptic number.

1212221100119 is a deficient number, since it is larger than the sum of its proper divisors (24872382121).

1212221100119 is a wasteful number, since it uses less digits than its factorization.

1212221100119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20950.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 1212221100119 in words is "one trillion, two hundred twelve billion, two hundred twenty-one million, one hundred thousand, one hundred nineteen".