1020312100998 has 16 divisors (see below), whose sum is σ = 2267360224560. Its totient is φ = 340104033648.

The previous prime is 1020312100981. The next prime is 1020312100999. The reversal of 1020312100998 is 8990012130201.

1020312100998 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020312100999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9447334215 + ... + 9447334322.

It is an arithmetic number, because the mean of its divisors is an integer number (141710014035).

Almost surely, 2^{1020312100998} is an apocalyptic number.

1020312100998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1020312100998 is an abundant number, since it is smaller than the sum of its proper divisors (1247048123562).

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

1020312100998 is a wasteful number, since it uses less digits than its factorization.

1020312100998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18894668548 (or 18894668542 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 1020312100998 in words is "one trillion, twenty billion, three hundred twelve million, one hundred thousand, nine hundred ninety-eight".