2051450116122 has 16 divisors (see below), whose sum is σ = 4475891162592. Its totient is φ = 621651550320.

The previous prime is 2051450116081. The next prime is 2051450116139. The reversal of 2051450116122 is 2216110541502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051450116122.

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, 15541288693 + ... + 15541288824.

It is an arithmetic number, because the mean of its divisors is an integer number (279743197662).

Almost surely, 2^{2051450116122} is an apocalyptic number.

2051450116122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2051450116122 is an abundant number, since it is smaller than the sum of its proper divisors (2424441046470).

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

2051450116122 is a wasteful number, since it uses less digits than its factorization.

2051450116122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31082577533.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 2051450116122 its reverse (2216110541502), we get a palindrome (4267560657624).

The spelling of 2051450116122 in words is "two trillion, fifty-one billion, four hundred fifty million, one hundred sixteen thousand, one hundred twenty-two".