102002001220212 has 144 divisors (see below), whose sum is σ = 255461347606080. Its totient is φ = 31668857745408.

The previous prime is 102002001220211. The next prime is 102002001220271. The reversal of 102002001220212 is 212022100200201.

It is a junction number, because it is equal to n+sod(n) for n = 102002001220191 and 102002001220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002001220211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150544258 + ... + 151220294.

Almost surely, 2^{102002001220212} is an apocalyptic number.

102002001220212 is a gapful number since it is divisible by the number (12) 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 102002001220212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127730673803040).

102002001220212 is an abundant number, since it is smaller than the sum of its proper divisors (153459346385868).

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

102002001220212 is a wasteful number, since it uses less digits than its factorization.

102002001220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676530 (or 676511 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102002001220212 its reverse (212022100200201), we get a palindrome (314024101420413).

The spelling of 102002001220212 in words is "one hundred two trillion, two billion, one million, two hundred twenty thousand, two hundred twelve".