1212021230029 has 8 divisors (see below), whose sum is σ = 1216384991712. Its totient is φ = 1207661698320.

The previous prime is 1212021229927. The next prime is 1212021230039. The reversal of 1212021230029 is 9200321202121.

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 1212021230029 - 2²⁵ = 1211987675597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212021229985 and 1212021230012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212021230039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482839 + ... + 1630084.

It is an arithmetic number, because the mean of its divisors is an integer number (152048123964).

Almost surely, 2^{1212021230029} is an apocalyptic number.

It is an amenable number.

1212021230029 is a deficient number, since it is larger than the sum of its proper divisors (4363761683).

1212021230029 is a wasteful number, since it uses less digits than its factorization.

1212021230029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114987.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1212021230029 in words is "one trillion, two hundred twelve billion, twenty-one million, two hundred thirty thousand, twenty-nine".