1211402141000 has 64 divisors (see below), whose sum is σ = 2838971032560. Its totient is φ = 483827520000.

The previous prime is 1211402140981. The next prime is 1211402141017. The reversal of 1211402141000 is 1412041121.

It can be written as a sum of positive squares in 8 ways, for example, as 89103444004 + 1122298696996 = 298502^2 + 1059386^2 .

It is a super-3 number, since 3×1211402141000³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1211402141000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255341 + ... + 1577340.

Almost surely, 2^{1211402141000} is an apocalyptic number.

1211402141000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211402141000 is an abundant number, since it is smaller than the sum of its proper divisors (1627568891560).

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

1211402141000 is a wasteful number, since it uses less digits than its factorization.

1211402141000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833363 (or 1833349 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1211402141000 its reverse (1412041121), we get a palindrome (1212814182121).

The spelling of 1211402141000 in words is "one trillion, two hundred eleven billion, four hundred two million, one hundred forty-one thousand".