120212212021 has 32 divisors (see below), whose sum is σ = 139030732800. Its totient is φ = 102934920000.

The previous prime is 120212211967. The next prime is 120212212031.

It is a happy number.

120212212021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120212212021 - 2⁷ = 120212211893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120212211986 and 120212212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212212031) 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, 2002440 + ... + 2061598.

It is an arithmetic number, because the mean of its divisors is an integer number (4344710400).

Almost surely, 2^120212212021 is an apocalyptic number.

120212212021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120212212021 is a deficient number, since it is larger than the sum of its proper divisors (18818520779).

120212212021 is a wasteful number, since it uses less digits than its factorization.

120212212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59361.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 120212 and 212021, that added together give a palindrome (332233).

The spelling of 120212212021 in words is "one hundred twenty billion, two hundred twelve million, two hundred twelve thousand, twenty-one".