1210950000 has 600 divisors, whose sum is σ = 4922872416. Its totient is φ = 285120000.

The previous prime is 1210949981. The next prime is 1210950007. The reversal of 1210950000 is 590121.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210950007) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 52649989 + ... + 52650011.

Almost surely, 2^1210950000 is an apocalyptic number.

1210950000 is a gapful number since it is divisible by the number (10) 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 1210950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461436208).

1210950000 is an abundant number, since it is smaller than the sum of its proper divisors (3711922416).

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

1210950000 is an equidigital number, since it uses as much as digits as its factorization.

1210950000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1210950000 is about 34798.7068725262. The cubic root of 1210950000 is about 1065.8810404326.

The spelling of 1210950000 in words is "one billion, two hundred ten million, nine hundred fifty thousand".