10012111212122 has 8 divisors (see below), whose sum is σ = 15384463569972. Its totient is φ = 4883956688800.

The previous prime is 10012111212049. The next prime is 10012111212139. The reversal of 10012111212122 is 22121211121001.

It can be written as a sum of positive squares in 2 ways, for example, as 8783274668281 + 1228836543841 = 2963659^2 + 1108529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10012111212122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61049458529 + ... + 61049458692.

Almost surely, 2^{10012111212122} is an apocalyptic number.

10012111212122 is a deficient number, since it is larger than the sum of its proper divisors (5372352357850).

10012111212122 is a wasteful number, since it uses less digits than its factorization.

10012111212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122098917264.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10012111212122 its reverse (22121211121001), we get a palindrome (32133322333123).

The spelling of 10012111212122 in words is "ten trillion, twelve billion, one hundred eleven million, two hundred twelve thousand, one hundred twenty-two".