245212123002 has 128 divisors (see below), whose sum is σ = 627964876800. Its totient is φ = 61991328000.

The previous prime is 245212122997. The next prime is 245212123063. The reversal of 245212123002 is 200321212542.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2708524 + ... + 2797592.

It is an arithmetic number, because the mean of its divisors is an integer number (4905975600).

Almost surely, 2^245212123002 is an apocalyptic number.

245212123002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 245212123002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313982438400).

245212123002 is an abundant number, since it is smaller than the sum of its proper divisors (382752753798).

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

245212123002 is a wasteful number, since it uses less digits than its factorization.

245212123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89252.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 245212123002 its reverse (200321212542), we get a palindrome (445533335544).

The spelling of 245212123002 in words is "two hundred forty-five billion, two hundred twelve million, one hundred twenty-three thousand, two".