1020204031012 has 72 divisors (see below), whose sum is σ = 1874620194720. Its totient is φ = 485687664000.

The previous prime is 1020204030997. The next prime is 1020204031013. The reversal of 1020204031012 is 2101304020201.

It is not an unprimeable number, because it can be changed into a prime (1020204031013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270681064 + ... + 270684832.

Almost surely, 2^{1020204031012} is an apocalyptic number.

It is an amenable number.

1020204031012 is a deficient number, since it is larger than the sum of its proper divisors (854416163708).

1020204031012 is a wasteful number, since it uses less digits than its factorization.

1020204031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953 (or 4920 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1020204031012 its reverse (2101304020201), we get a palindrome (3121508051213).

The spelling of 1020204031012 in words is "one trillion, twenty billion, two hundred four million, thirty-one thousand, twelve".