12021211119 has 32 divisors (see below), whose sum is σ = 17059392000. Its totient is φ = 7513292160.

The previous prime is 12021211117. The next prime is 12021211121. The reversal of 12021211119 is 91111212021.

It is an interprime number because it is at equal distance from previous prime (12021211117) and next prime (12021211121).

It is not a de Polignac number, because 12021211119 - 2¹ = 12021211117 is a prime.

It is a super-2 number, since 2×12021211119² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021211095 and 12021211104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021211117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1416549 + ... + 1425009.

It is an arithmetic number, because the mean of its divisors is an integer number (533106000).

Almost surely, 2^12021211119 is an apocalyptic number.

12021211119 is a deficient number, since it is larger than the sum of its proper divisors (5038180881).

12021211119 is a wasteful number, since it uses less digits than its factorization.

12021211119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 12021211119 in words is "twelve billion, twenty-one million, two hundred eleven thousand, one hundred nineteen".