1402121228499 has 12 divisors (see below), whose sum is σ = 2050922754400. Its totient is φ = 922915238544.

The previous prime is 1402121228441. The next prime is 1402121228509. The reversal of 1402121228499 is 9948221212041.

1402121228499 is a `hidden beast` number, since 1 + 402 + 1 + 212 + 28 + 4 + 9 + 9 = 666.

It is not a de Polignac number, because 1402121228499 - 2⁹ = 1402121227987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402121228419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 986019844 + ... + 986021265.

Almost surely, 2^{1402121228499} is an apocalyptic number.

1402121228499 is a deficient number, since it is larger than the sum of its proper divisors (648801525901).

1402121228499 is a wasteful number, since it uses less digits than its factorization.

1402121228499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972041194 (or 1972041191 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

Adding to 1402121228499 its sum of digits (45), we get a square (1402121228544 = 1184112²).

The spelling of 1402121228499 in words is "one trillion, four hundred two billion, one hundred twenty-one million, two hundred twenty-eight thousand, four hundred ninety-nine".