1211012010122 has 32 divisors (see below), whose sum is σ = 1837591709184. Its totient is φ = 598502736000.

The previous prime is 1211012010121. The next prime is 1211012010167. The reversal of 1211012010122 is 2210102101121.

It is a junction number, because it is equal to n+sod(n) for n = 1211012010097 and 1211012010106.

It is not an unprimeable number, because it can be changed into a prime (1211012010121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530911622 + ... + 530913902.

It is an arithmetic number, because the mean of its divisors is an integer number (57424740912).

Almost surely, 2^{1211012010122} is an apocalyptic number.

1211012010122 is a deficient number, since it is larger than the sum of its proper divisors (626579699062).

1211012010122 is a wasteful number, since it uses less digits than its factorization.

1211012010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5654.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1211012010122 its reverse (2210102101121), we get a palindrome (3421114111243).

Subtracting 1211012010122 from its reverse (2210102101121), we obtain a palindrome (999090090999).

The spelling of 1211012010122 in words is "one trillion, two hundred eleven billion, twelve million, ten thousand, one hundred twenty-two".