2120221401412 has 12 divisors (see below), whose sum is σ = 3771213476716. Its totient is φ = 1042731836640.

The previous prime is 2120221401407. The next prime is 2120221401427. The reversal of 2120221401412 is 2141041220212.

It can be written as a sum of positive squares in 2 ways, for example, as 1194596536576 + 925624864836 = 1092976^2 + 962094^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4344715743 + ... + 4344716230.

Almost surely, 2^{2120221401412} is an apocalyptic number.

It is an amenable number.

2120221401412 is a deficient number, since it is larger than the sum of its proper divisors (1650992075304).

2120221401412 is a wasteful number, since it uses less digits than its factorization.

2120221401412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8689432038 (or 8689432036 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 2120221401412 its reverse (2141041220212), we get a palindrome (4261262621624).

The spelling of 2120221401412 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, four hundred one thousand, four hundred twelve".