1202020123400 has 48 divisors (see below), whose sum is σ = 2830072732800. Its totient is φ = 474721865280.

The previous prime is 1202020123397. The next prime is 1202020123453. The reversal of 1202020123400 is 43210202021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38022812 + ... + 38054411.

It is an arithmetic number, because the mean of its divisors is an integer number (58959848600).

Almost surely, 2^{1202020123400} is an apocalyptic number.

1202020123400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202020123400 is an abundant number, since it is smaller than the sum of its proper divisors (1628052609400).

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

1202020123400 is a wasteful number, since it uses less digits than its factorization.

1202020123400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76077318 (or 76077309 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1202020123400 its reverse (43210202021), we get a palindrome (1245230325421).

The spelling of 1202020123400 in words is "one trillion, two hundred two billion, twenty million, one hundred twenty-three thousand, four hundred".