1012000121210 has 64 divisors (see below), whose sum is σ = 2047252838400. Its totient is φ = 357374012160.

The previous prime is 1012000121189. The next prime is 1012000121213. The reversal of 1012000121210 is 121210002101.

It is a junction number, because it is equal to n+sod(n) for n = 1012000121191 and 1012000121200.

It is not an unprimeable number, because it can be changed into a prime (1012000121213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38321591 + ... + 38347989.

It is an arithmetic number, because the mean of its divisors is an integer number (31988325600).

Almost surely, 2^{1012000121210} is an apocalyptic number.

1012000121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012000121210 is an abundant number, since it is smaller than the sum of its proper divisors (1035252717190).

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

1012000121210 is a wasteful number, since it uses less digits than its factorization.

1012000121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39263.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012000121210 its reverse (121210002101), we get a palindrome (1133210123311).

The spelling of 1012000121210 in words is "one trillion, twelve billion, one hundred twenty-one thousand, two hundred ten".