102001211023200 has 576 divisors, whose sum is σ = 341312154624000. Its totient is φ = 26443431116800.

The previous prime is 102001211023183. The next prime is 102001211023211. The reversal of 102001211023200 is 2320112100201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102001211023200.

It is a congruent number.

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, 49443145369 + ... + 49443147431.

It is an arithmetic number, because the mean of its divisors is an integer number (592555824000).

Almost surely, 2^{102001211023200} is an apocalyptic number.

102001211023200 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 102001211023200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170656077312000).

102001211023200 is an abundant number, since it is smaller than the sum of its proper divisors (239310943600800).

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

102001211023200 is a wasteful number, since it uses less digits than its factorization.

102001211023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102001211023200 its reverse (2320112100201), we get a palindrome (104321323123401).

The spelling of 102001211023200 in words is "one hundred two trillion, one billion, two hundred eleven million, twenty-three thousand, two hundred".