351000210000 has 200 divisors, whose sum is σ = 1236083501664. Its totient is φ = 85090880000.

The previous prime is 351000209999. The next prime is 351000210023. The reversal of 351000210000 is 12000153.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×351000210000² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 201819 + ... + 861818.

Almost surely, 2^351000210000 is an apocalyptic number.

351000210000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351000210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618041750832).

351000210000 is an abundant number, since it is smaller than the sum of its proper divisors (885083291664).

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

351000210000 is a wasteful number, since it uses less digits than its factorization.

351000210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063679 (or 1063658 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

Adding to 351000210000 its reverse (12000153), we get a palindrome (351012210153).

The spelling of 351000210000 in words is "three hundred fifty-one billion, two hundred ten thousand".