1403213021120 has 28 divisors (see below), whose sum is σ = 3341401007304. Its totient is φ = 561285208320.

The previous prime is 1403213021113. The next prime is 1403213021137. The reversal of 1403213021120 is 211203123041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1403213021092 and 1403213021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192520026 + ... + 2192520665.

Almost surely, 2^{1403213021120} is an apocalyptic number.

1403213021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403213021120 is an abundant number, since it is smaller than the sum of its proper divisors (1938187986184).

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

1403213021120 is an equidigital number, since it uses as much as digits as its factorization.

1403213021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385040708 (or 4385040698 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1403213021120 its reverse (211203123041), we get a palindrome (1614416144161).

The spelling of 1403213021120 in words is "one trillion, four hundred three billion, two hundred thirteen million, twenty-one thousand, one hundred twenty".