1012201010010 has 48 divisors (see below), whose sum is σ = 2632896455904. Its totient is φ = 269799876576.

The previous prime is 1012201009999. The next prime is 1012201010069. The reversal of 1012201010010 is 100101022101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1012201009974 and 1012201010001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2305192 + ... + 2708931.

It is an arithmetic number, because the mean of its divisors is an integer number (54852009498).

Almost surely, 2^{1012201010010} is an apocalyptic number.

1012201010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012201010010 is an abundant number, since it is smaller than the sum of its proper divisors (1620695445894).

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

1012201010010 is a wasteful number, since it uses less digits than its factorization.

1012201010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016379 (or 5016376 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1012201010010 its reverse (100101022101), we get a palindrome (1112302032111).

The spelling of 1012201010010 in words is "one trillion, twelve billion, two hundred one million, ten thousand, ten".