212002102121000 has 64 divisors (see below), whose sum is σ = 498952462254480. Its totient is φ = 84310662508800.

The previous prime is 212002102120979. The next prime is 212002102121011. The reversal of 212002102121000 is 121201200212.

It can be written as a sum of positive squares in 8 ways, for example, as 90296327943844 + 121705774177156 = 9502438^2 + 11032034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612549839 + ... + 612895838.

Almost surely, 2^{212002102121000} is an apocalyptic number.

212002102121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212002102121000 is an abundant number, since it is smaller than the sum of its proper divisors (286950360133480).

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

212002102121000 is a wasteful number, since it uses less digits than its factorization.

212002102121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225445871 (or 1225445857 counting only the distinct ones).

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

Adding to 212002102121000 its reverse (121201200212), we get a palindrome (212123303321212).

The spelling of 212002102121000 in words is "two hundred twelve trillion, two billion, one hundred two million, one hundred twenty-one thousand".