1200430421402 has 8 divisors (see below), whose sum is σ = 1800650575776. Its totient is φ = 600213562812.

The previous prime is 1200430421381. The next prime is 1200430421423. The reversal of 1200430421402 is 2041240340021.

It is an interprime number because it is at equal distance from previous prime (1200430421381) and next prime (1200430421423).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 534713 + ... + 1639139.

It is an arithmetic number, because the mean of its divisors is an integer number (225081321972).

Almost surely, 2^{1200430421402} is an apocalyptic number.

1200430421402 is a deficient number, since it is larger than the sum of its proper divisors (600220154374).

1200430421402 is a wasteful number, since it uses less digits than its factorization.

1200430421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647892.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1200430421402 its reverse (2041240340021), we get a palindrome (3241670761423).

The spelling of 1200430421402 in words is "one trillion, two hundred billion, four hundred thirty million, four hundred twenty-one thousand, four hundred two".