121302416445 has 32 divisors (see below), whose sum is σ = 223405916160. Its totient is φ = 55053587520.

The previous prime is 121302416413. The next prime is 121302416453. The reversal of 121302416445 is 544614203121.

It is a happy number.

It is not a de Polignac number, because 121302416445 - 2⁵ = 121302416413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4141021 + ... + 4170210.

It is an arithmetic number, because the mean of its divisors is an integer number (6981434880).

Almost surely, 2^121302416445 is an apocalyptic number.

121302416445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121302416445 is a deficient number, since it is larger than the sum of its proper divisors (102103499715).

121302416445 is a wasteful number, since it uses less digits than its factorization.

121302416445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8311385.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 121302416445 its reverse (544614203121), we get a palindrome (665916619566).

The spelling of 121302416445 in words is "one hundred twenty-one billion, three hundred two million, four hundred sixteen thousand, four hundred forty-five".