1021302030120 has 32 divisors (see below), whose sum is σ = 3063906090720. Its totient is φ = 272347208000.

The previous prime is 1021302030097. The next prime is 1021302030131. The reversal of 1021302030120 is 210302031201.

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 1021302030120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4255425006 + ... + 4255425245.

It is an arithmetic number, because the mean of its divisors is an integer number (95747065335).

Almost surely, 2^{1021302030120} is an apocalyptic number.

1021302030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021302030120 is an abundant number, since it is smaller than the sum of its proper divisors (2042604060600).

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

1021302030120 is a wasteful number, since it uses less digits than its factorization.

1021302030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510850265 (or 8510850261 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1021302030120 its reverse (210302031201), we get a palindrome (1231604061321).

The spelling of 1021302030120 in words is "one trillion, twenty-one billion, three hundred two million, thirty thousand, one hundred twenty".