1244003421210 has 192 divisors, whose sum is σ = 3430165487616. Its totient is φ = 287977599360.

The previous prime is 1244003421197. The next prime is 1244003421223. The reversal of 1244003421210 is 121243004421.

It is an interprime number because it is at equal distance from previous prime (1244003421197) and next prime (1244003421223).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50666157 + ... + 50690703.

It is an arithmetic number, because the mean of its divisors is an integer number (17865445248).

Almost surely, 2^{1244003421210} is an apocalyptic number.

1244003421210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244003421210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715082743808).

1244003421210 is an abundant number, since it is smaller than the sum of its proper divisors (2186162066406).

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

1244003421210 is a wasteful number, since it uses less digits than its factorization.

1244003421210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25209 (or 25198 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1244003421210 its reverse (121243004421), we get a palindrome (1365246425631).

The spelling of 1244003421210 in words is "one trillion, two hundred forty-four billion, three million, four hundred twenty-one thousand, two hundred ten".