12020021214 has 16 divisors (see below), whose sum is σ = 25085261952. Its totient is φ = 3832470488.

The previous prime is 12020021203. The next prime is 12020021231. The reversal of 12020021214 is 41212002021.

It is a junction number, because it is equal to n+sod(n) for n = 12020021193 and 12020021202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43550664 + ... + 43550939.

It is an arithmetic number, because the mean of its divisors is an integer number (1567828872).

Almost surely, 2^12020021214 is an apocalyptic number.

12020021214 is an abundant number, since it is smaller than the sum of its proper divisors (13065240738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020021214 is a wasteful number, since it uses less digits than its factorization.

12020021214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87101631.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12020021214 its reverse (41212002021), we get a palindrome (53232023235).

The spelling of 12020021214 in words is "twelve billion, twenty million, twenty-one thousand, two hundred fourteen".