1200124231402 has 4 divisors (see below), whose sum is σ = 1800186347106. Its totient is φ = 600062115700.

The previous prime is 1200124231337. The next prime is 1200124231451. The reversal of 1200124231402 is 2041324210021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1161499797441 + 38624433961 = 1077729^2 + 196531^2 .

It is a super-3 number, since 3×1200124231402³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300031057849 + ... + 300031057852.

Almost surely, 2^{1200124231402} is an apocalyptic number.

1200124231402 is a deficient number, since it is larger than the sum of its proper divisors (600062115704).

1200124231402 is an equidigital number, since it uses as much as digits as its factorization.

1200124231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600062115703.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1200124231402 its reverse (2041324210021), we get a palindrome (3241448441423).

The spelling of 1200124231402 in words is "one trillion, two hundred billion, one hundred twenty-four million, two hundred thirty-one thousand, four hundred two".