120213304451 has 2 divisors, whose sum is σ = 120213304452. Its totient is φ = 120213304450.

The previous prime is 120213304403. The next prime is 120213304481. The reversal of 120213304451 is 154403312021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120213304451 - 2¹⁴ = 120213288067 is a prime.

It is a super-2 number, since 2×120213304451² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120213304451.

It is not a weakly prime, because it can be changed into another prime (120213304481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106652225 + 60106652226.

It is an arithmetic number, because the mean of its divisors is an integer number (60106652226).

Almost surely, 2^120213304451 is an apocalyptic number.

120213304451 is a deficient number, since it is larger than the sum of its proper divisors (1).

120213304451 is an equidigital number, since it uses as much as digits as its factorization.

120213304451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 120213304451 its reverse (154403312021), we get a palindrome (274616616472).

The spelling of 120213304451 in words is "one hundred twenty billion, two hundred thirteen million, three hundred four thousand, four hundred fifty-one".