212030121000 has 64 divisors (see below), whose sum is σ = 661533986880. Its totient is φ = 56541364800.

The previous prime is 212030120977. The next prime is 212030121041. The reversal of 212030121000 is 121030212.

It is a super-2 number, since 2×212030121000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 35335354 + ... + 35341353.

It is an arithmetic number, because the mean of its divisors is an integer number (10336468545).

Almost surely, 2^212030121000 is an apocalyptic number.

212030121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212030121000 is an abundant number, since it is smaller than the sum of its proper divisors (449503865880).

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

212030121000 is a wasteful number, since it uses less digits than its factorization.

212030121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70676731 (or 70676717 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 212030121000 its reverse (121030212), we get a palindrome (212151151212).

The spelling of 212030121000 in words is "two hundred twelve billion, thirty million, one hundred twenty-one thousand".