1012201002122 has 16 divisors (see below), whose sum is σ = 1532499302880. Its totient is φ = 501383495568.

The previous prime is 1012201002101. The next prime is 1012201002139. The reversal of 1012201002122 is 2212001022101.

It is a junction number, because it is equal to n+sod(n) for n = 1012201002097 and 1012201002106.

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, 3768473 + ... + 4028124.

It is an arithmetic number, because the mean of its divisors is an integer number (95781206430).

Almost surely, 2^{1012201002122} is an apocalyptic number.

1012201002122 is a deficient number, since it is larger than the sum of its proper divisors (520298300758).

1012201002122 is a wasteful number, since it uses less digits than its factorization.

1012201002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797205.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012201002122 its reverse (2212001022101), we get a palindrome (3224202024223).

The spelling of 1012201002122 in words is "one trillion, twelve billion, two hundred one million, two thousand, one hundred twenty-two".