1012100020122 has 16 divisors (see below), whose sum is σ = 2045068083072. Its totient is φ = 333888666240.

The previous prime is 1012100020121. The next prime is 1012100020181. The reversal of 1012100020122 is 2210200012101.

It is a super-3 number, since 3×1012100020122³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012100020098 and 1012100020107.

It is not an unprimeable number, because it can be changed into a prime (1012100020121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869501154 + ... + 869502317.

It is an arithmetic number, because the mean of its divisors is an integer number (127816755192).

Almost surely, 2^{1012100020122} is an apocalyptic number.

1012100020122 is an abundant number, since it is smaller than the sum of its proper divisors (1032968062950).

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

1012100020122 is a wasteful number, since it uses less digits than its factorization.

1012100020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739003573.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012100020122 its reverse (2210200012101), we get a palindrome (3222300032223).

The spelling of 1012100020122 in words is "one trillion, twelve billion, one hundred million, twenty thousand, one hundred twenty-two".